diff --git a/lib/libzfs/libzfs_dataset.c b/lib/libzfs/libzfs_dataset.c
index 9666023cc1..259a3e16bc 100644
--- a/lib/libzfs/libzfs_dataset.c
+++ b/lib/libzfs/libzfs_dataset.c
@@ -691,14 +691,15 @@ libzfs_mnttab_remove(libzfs_handle_t *hdl, const char *fsname)
 }
 
 int
-zfs_spa_version(zfs_handle_t *zhp, int *version)
+zfs_spa_version(zfs_handle_t *zhp, int *spa_version)
 {
-	zpool_handle_t *handle = zhp->zpool_hdl;
+	zpool_handle_t *zpool_handle = zhp->zpool_hdl;
 
-	if (handle == NULL)
+	if (zpool_handle == NULL)
 		return (-1);
 
-	*version = zpool_get_prop_int(handle, ZPOOL_PROP_VERSION, NULL);
+	*spa_version = zpool_get_prop_int(zpool_handle,
+	    ZPOOL_PROP_VERSION, NULL);
 	return (0);
 }
 
@@ -708,12 +709,12 @@ zfs_spa_version(zfs_handle_t *zhp, int *version)
 static int
 zfs_which_resv_prop(zfs_handle_t *zhp, zfs_prop_t *resv_prop)
 {
-	int version;
+	int spa_version;
 
-	if (zfs_spa_version(zhp, &version) < 0)
+	if (zfs_spa_version(zhp, &spa_version) < 0)
 		return (-1);
 
-	if (version >= SPA_VERSION_REFRESERVATION)
+	if (spa_version >= SPA_VERSION_REFRESERVATION)
 		*resv_prop = ZFS_PROP_REFRESERVATION;
 	else
 		*resv_prop = ZFS_PROP_RESERVATION;
@@ -1746,11 +1747,11 @@ zfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char *propbuf, size_t proplen,
 		 */
 		{
 			val = getprop_uint64(zhp, prop, &source);
-			time_t local_time = (time_t)val;
+			time_t time = (time_t)val;
 			struct tm t;
 
 			if (literal ||
-			    localtime_r(&local_time, &t) == NULL ||
+			    localtime_r(&time, &t) == NULL ||
 			    strftime(propbuf, proplen, "%a %b %e %k:%M %Y",
 			    &t) == 0)
 				(void) snprintf(propbuf, proplen, "%llu", (u_longlong_t) val);
diff --git a/lib/libzfs/libzfs_mount.c b/lib/libzfs/libzfs_mount.c
index 055b42a5f5..615c5eb378 100644
--- a/lib/libzfs/libzfs_mount.c
+++ b/lib/libzfs/libzfs_mount.c
@@ -212,12 +212,12 @@ is_shared(libzfs_handle_t *hdl, const char *mountpoint, zfs_share_proto_t proto)
  * informative error message.
  */
 static boolean_t
-dir_is_empty(const char *dirn)
+dir_is_empty(const char *dirname)
 {
 	DIR *dirp;
 	struct dirent64 *dp;
 
-	if ((dirp = opendir(dirn)) == NULL)
+	if ((dirp = opendir(dirname)) == NULL)
 		return (B_TRUE);
 
 	while ((dp = readdir64(dirp)) != NULL) {
diff --git a/lib/libzfs/libzfs_sendrecv.c b/lib/libzfs/libzfs_sendrecv.c
index 2419e6b45d..66d2f8ddd0 100644
--- a/lib/libzfs/libzfs_sendrecv.c
+++ b/lib/libzfs/libzfs_sendrecv.c
@@ -1896,13 +1896,13 @@ zfs_receive_one(libzfs_handle_t *hdl, int infd, const char *tosnap,
 		 */
 		avl_tree_t *local_avl;
 		nvlist_t *local_nv, *fs;
+		char *cp = strchr(zc.zc_value, '@');
 
 		/*
 		 * XXX Do this faster by just iterating over snaps in
 		 * this fs.  Also if zc_value does not exist, we will
 		 * get a strange "does not exist" error message.
 		 */
-		cp = strchr(zc.zc_value, '@');
 		*cp = '\0';
 		if (gather_nvlist(hdl, zc.zc_value, NULL, NULL,
 		    &local_nv, &local_avl) == 0) {
diff --git a/lib/libzfs/libzfs_util.c b/lib/libzfs/libzfs_util.c
index 4ff1a3cc27..bf9f2a1973 100644
--- a/lib/libzfs/libzfs_util.c
+++ b/lib/libzfs/libzfs_util.c
@@ -527,19 +527,19 @@ void
 zfs_nicenum(uint64_t num, char *buf, size_t buflen)
 {
 	uint64_t n = num;
-	int i = 0, j;
+	int index = 0;
 	char u;
 
 	while (n >= 1024) {
 		n /= 1024;
-		i++;
+		index++;
 	}
 
-	u = " KMGTPE"[i];
+	u = " KMGTPE"[index];
 
-	if (i == 0) {
+	if (index == 0) {
 		(void) snprintf(buf, buflen, "%llu", (u_longlong_t) n);
-	} else if ((num & ((1ULL << 10 * i) - 1)) == 0) {
+	} else if ((num & ((1ULL << 10 * index) - 1)) == 0) {
 		/*
 		 * If this is an even multiple of the base, always display
 		 * without any decimal precision.
@@ -555,9 +555,10 @@ zfs_nicenum(uint64_t num, char *buf, size_t buflen)
 		 * develop some complex heuristics for this, but it's much
 		 * easier just to try each combination in turn.
 		 */
-		for (j = 2; j >= 0; j--) {
-			if (snprintf(buf, buflen, "%.*f%c", j,
-			    (double)num / (1ULL << 10 * i), u) <= 5)
+		int i;
+		for (i = 2; i >= 0; i--) {
+			if (snprintf(buf, buflen, "%.*f%c", i,
+			    (double)num / (1ULL << 10 * index), u) <= 5)
 				break;
 		}
 	}
@@ -1402,7 +1403,7 @@ zprop_expand_list(libzfs_handle_t *hdl, zprop_list_t **plp, zfs_type_t type)
 {
 	zprop_list_t *entry;
 	zprop_list_t **last;
-	expand_data_t ed;
+	expand_data_t exp;
 
 	if (*plp == NULL) {
 		/*
@@ -1412,11 +1413,11 @@ zprop_expand_list(libzfs_handle_t *hdl, zprop_list_t **plp, zfs_type_t type)
 		 */
 		last = plp;
 
-		ed.last = last;
-		ed.hdl = hdl;
-		ed.type = type;
+		exp.last = last;
+		exp.hdl = hdl;
+		exp.type = type;
 
-		if (zprop_iter_common(zprop_expand_list_cb, &ed, B_FALSE,
+		if (zprop_iter_common(zprop_expand_list_cb, &exp, B_FALSE,
 		    B_FALSE, type) == ZPROP_INVAL)
 			return (-1);
 
diff --git a/lib/libzpool/kernel.c b/lib/libzpool/kernel.c
index 5a46f2d3d2..b4b4ce4263 100644
--- a/lib/libzpool/kernel.c
+++ b/lib/libzpool/kernel.c
@@ -324,7 +324,7 @@ vn_open(char *path, int x1, int flags, int mode, vnode_t **vpp, int x2, int x3)
 	int fd;
 	vnode_t *vp;
 	int old_umask;
-	char real_path[MAXPATHLEN];
+	char realpath[MAXPATHLEN];
 	struct stat64 st;
 	int err;
 
@@ -352,14 +352,14 @@ vn_open(char *path, int x1, int flags, int mode, vnode_t **vpp, int x2, int x3)
 			return (errno);
 		}
 		close(fd);
-		(void) sprintf(real_path, "%s", path);
+		(void) sprintf(realpath, "%s", path);
 		dsk = strstr(path, "/dsk/");
 		if (dsk != NULL)
-			(void) sprintf(real_path + (dsk - path) + 1, "r%s",
+			(void) sprintf(realpath + (dsk - path) + 1, "r%s",
 			    dsk + 1);
 	} else {
-		(void) sprintf(real_path, "%s", path);
-		if (!(flags & FCREAT) && stat64(real_path, &st) == -1)
+		(void) sprintf(realpath, "%s", path);
+		if (!(flags & FCREAT) && stat64(realpath, &st) == -1)
 			return (errno);
 	}
 
@@ -378,7 +378,7 @@ vn_open(char *path, int x1, int flags, int mode, vnode_t **vpp, int x2, int x3)
 	 * The construct 'flags - FREAD' conveniently maps combinations of
 	 * FREAD and FWRITE to the corresponding O_RDONLY, O_WRONLY, and O_RDWR.
 	 */
-	fd = open64(real_path, flags - FREAD, mode);
+	fd = open64(realpath, flags - FREAD, mode);
 
 	if (flags & FCREAT)
 		(void) umask(old_umask);
@@ -418,16 +418,16 @@ int
 vn_openat(char *path, int x1, int flags, int mode, vnode_t **vpp, int x2,
     int x3, vnode_t *startvp, int fd)
 {
-	char *real_path = umem_alloc(strlen(path) + 2, UMEM_NOFAIL);
+	char *realpath = umem_alloc(strlen(path) + 2, UMEM_NOFAIL);
 	int ret;
 
 	ASSERT(startvp == rootdir);
-	(void) sprintf(real_path, "/%s", path);
+	(void) sprintf(realpath, "/%s", path);
 
 	/* fd ignored for now, need if want to simulate nbmand support */
-	ret = vn_open(real_path, x1, flags, mode, vpp, x2, x3);
+	ret = vn_open(realpath, x1, flags, mode, vpp, x2, x3);
 
-	umem_free(real_path, strlen(path) + 2);
+	umem_free(realpath, strlen(path) + 2);
 
 	return (ret);
 }
@@ -785,11 +785,11 @@ random_get_pseudo_bytes(uint8_t *ptr, size_t len)
 }
 
 int
-ddi_strtoul(const char *serial, char **nptr, int base, unsigned long *result)
+ddi_strtoul(const char *hw_serial, char **nptr, int base, unsigned long *result)
 {
 	char *end;
 
-	*result = strtoul(serial, &end, base);
+	*result = strtoul(hw_serial, &end, base);
 	if (*result == 0)
 		return (errno);
 	return (0);
diff --git a/lib/libzpool/util.c b/lib/libzpool/util.c
index 67f62d2e18..360bf7beee 100644
--- a/lib/libzpool/util.c
+++ b/lib/libzpool/util.c
@@ -41,24 +41,24 @@ void
 nicenum(uint64_t num, char *buf)
 {
 	uint64_t n = num;
-	int i = 0;
+	int index = 0;
 	char u;
 
 	while (n >= 1024) {
 		n = (n + (1024 / 2)) / 1024; /* Round up or down */
-		i++;
+		index++;
 	}
 
-	u = " KMGTPE"[i];
+	u = " KMGTPE"[index];
 
-	if (i == 0) {
+	if (index == 0) {
 		(void) sprintf(buf, "%llu", (u_longlong_t)n);
 	} else if (n < 10 && (num & (num - 1)) != 0) {
 		(void) sprintf(buf, "%.2f%c",
-		    (double)num / (1ULL << 10 * i), u);
+		    (double)num / (1ULL << 10 * index), u);
 	} else if (n < 100 && (num & (num - 1)) != 0) {
 		(void) sprintf(buf, "%.1f%c",
-		    (double)num / (1ULL << 10 * i), u);
+		    (double)num / (1ULL << 10 * index), u);
 	} else {
 		(void) sprintf(buf, "%llu%c", (u_longlong_t)n, u);
 	}
diff --git a/module/zcommon/zfs_prop.c b/module/zcommon/zfs_prop.c
index bb73e7ee35..1aec17ae9b 100644
--- a/module/zcommon/zfs_prop.c
+++ b/module/zcommon/zfs_prop.c
@@ -410,15 +410,15 @@ zfs_prop_userquota(const char *name)
  * (strings) and internal representation (uint64_t).
  */
 int
-zfs_prop_string_to_index(zfs_prop_t prop, const char *string, uint64_t *idx)
+zfs_prop_string_to_index(zfs_prop_t prop, const char *string, uint64_t *index)
 {
-	return (zprop_string_to_index(prop, string, idx, ZFS_TYPE_DATASET));
+	return (zprop_string_to_index(prop, string, index, ZFS_TYPE_DATASET));
 }
 
 int
-zfs_prop_index_to_string(zfs_prop_t prop, uint64_t idx, const char **string)
+zfs_prop_index_to_string(zfs_prop_t prop, uint64_t index, const char **string)
 {
-	return (zprop_index_to_string(prop, idx, string, ZFS_TYPE_DATASET));
+	return (zprop_index_to_string(prop, index, string, ZFS_TYPE_DATASET));
 }
 
 /*
diff --git a/module/zcommon/zpool_prop.c b/module/zcommon/zpool_prop.c
index a873be5d7f..056f8045b8 100644
--- a/module/zcommon/zpool_prop.c
+++ b/module/zcommon/zpool_prop.c
@@ -154,16 +154,16 @@ zpool_prop_default_numeric(zpool_prop_t prop)
 
 int
 zpool_prop_string_to_index(zpool_prop_t prop, const char *string,
-    uint64_t *idx)
+    uint64_t *index)
 {
-	return (zprop_string_to_index(prop, string, idx, ZFS_TYPE_POOL));
+	return (zprop_string_to_index(prop, string, index, ZFS_TYPE_POOL));
 }
 
 int
-zpool_prop_index_to_string(zpool_prop_t prop, uint64_t idx,
+zpool_prop_index_to_string(zpool_prop_t prop, uint64_t index,
     const char **string)
 {
-	return (zprop_index_to_string(prop, idx, string, ZFS_TYPE_POOL));
+	return (zprop_index_to_string(prop, index, string, ZFS_TYPE_POOL));
 }
 
 #ifndef _KERNEL
diff --git a/module/zcommon/zprop_common.c b/module/zcommon/zprop_common.c
index 329a278f23..ae7668ca2f 100644
--- a/module/zcommon/zprop_common.c
+++ b/module/zcommon/zprop_common.c
@@ -256,7 +256,7 @@ zprop_name_to_prop(const char *propname, zfs_type_t type)
 }
 
 int
-zprop_string_to_index(int prop, const char *string, uint64_t *idx,
+zprop_string_to_index(int prop, const char *string, uint64_t *index,
     zfs_type_t type)
 {
 	zprop_desc_t *prop_tbl;
@@ -273,7 +273,7 @@ zprop_string_to_index(int prop, const char *string, uint64_t *idx,
 
 	for (i = 0; idx_tbl[i].pi_name != NULL; i++) {
 		if (strcmp(string, idx_tbl[i].pi_name) == 0) {
-			*idx = idx_tbl[i].pi_value;
+			*index = idx_tbl[i].pi_value;
 			return (0);
 		}
 	}
@@ -282,7 +282,7 @@ zprop_string_to_index(int prop, const char *string, uint64_t *idx,
 }
 
 int
-zprop_index_to_string(int prop, uint64_t idx, const char **string,
+zprop_index_to_string(int prop, uint64_t index, const char **string,
     zfs_type_t type)
 {
 	zprop_desc_t *prop_tbl;
@@ -298,7 +298,7 @@ zprop_index_to_string(int prop, uint64_t idx, const char **string,
 		return (-1);
 
 	for (i = 0; idx_tbl[i].pi_name != NULL; i++) {
-		if (idx_tbl[i].pi_value == idx) {
+		if (idx_tbl[i].pi_value == index) {
 			*string = idx_tbl[i].pi_name;
 			return (0);
 		}
diff --git a/module/zfs/dmu.c b/module/zfs/dmu.c
index 4e015d3404..f09b904f4b 100644
--- a/module/zfs/dmu.c
+++ b/module/zfs/dmu.c
@@ -184,7 +184,7 @@ dmu_bonus_hold(objset_t *os, uint64_t object, void *tag, dmu_buf_t **dbp)
  */
 static int
 dmu_buf_hold_array_by_dnode(dnode_t *dn, uint64_t offset, uint64_t length,
-    int rd, void *tag, int *numbufsp, dmu_buf_t ***dbpp, uint32_t flags)
+    int read, void *tag, int *numbufsp, dmu_buf_t ***dbpp, uint32_t flags)
 {
 	dsl_pool_t *dp = NULL;
 	dmu_buf_t **dbp;
@@ -235,7 +235,7 @@ dmu_buf_hold_array_by_dnode(dnode_t *dn, uint64_t offset, uint64_t length,
 			return (EIO);
 		}
 		/* initiate async i/o */
-		if (rd) {
+		if (read) {
 			(void) dbuf_read(db, zio, dbuf_flags);
 		}
 		dbp[i] = &db->db;
@@ -253,7 +253,7 @@ dmu_buf_hold_array_by_dnode(dnode_t *dn, uint64_t offset, uint64_t length,
 	}
 
 	/* wait for other io to complete */
-	if (rd) {
+	if (read) {
 		for (i = 0; i < nblks; i++) {
 			dmu_buf_impl_t *db = (dmu_buf_impl_t *)dbp[i];
 			mutex_enter(&db->db_mtx);
@@ -277,7 +277,7 @@ dmu_buf_hold_array_by_dnode(dnode_t *dn, uint64_t offset, uint64_t length,
 
 static int
 dmu_buf_hold_array(objset_t *os, uint64_t object, uint64_t offset,
-    uint64_t length, int rd, void *tag, int *numbufsp, dmu_buf_t ***dbpp)
+    uint64_t length, int read, void *tag, int *numbufsp, dmu_buf_t ***dbpp)
 {
 	dnode_t *dn;
 	int err;
@@ -286,7 +286,7 @@ dmu_buf_hold_array(objset_t *os, uint64_t object, uint64_t offset,
 	if (err)
 		return (err);
 
-	err = dmu_buf_hold_array_by_dnode(dn, offset, length, rd, tag,
+	err = dmu_buf_hold_array_by_dnode(dn, offset, length, read, tag,
 	    numbufsp, dbpp, DMU_READ_PREFETCH);
 
 	dnode_rele(dn, FTAG);
@@ -296,12 +296,12 @@ dmu_buf_hold_array(objset_t *os, uint64_t object, uint64_t offset,
 
 int
 dmu_buf_hold_array_by_bonus(dmu_buf_t *db, uint64_t offset,
-    uint64_t length, int rd, void *tag, int *numbufsp, dmu_buf_t ***dbpp)
+    uint64_t length, int read, void *tag, int *numbufsp, dmu_buf_t ***dbpp)
 {
 	dnode_t *dn = ((dmu_buf_impl_t *)db)->db_dnode;
 	int err;
 
-	err = dmu_buf_hold_array_by_dnode(dn, offset, length, rd, tag,
+	err = dmu_buf_hold_array_by_dnode(dn, offset, length, read, tag,
 	    numbufsp, dbpp, DMU_READ_PREFETCH);
 
 	return (err);
diff --git a/module/zfs/dmu_objset.c b/module/zfs/dmu_objset.c
index 30ef576bd4..5bc115321c 100644
--- a/module/zfs/dmu_objset.c
+++ b/module/zfs/dmu_objset.c
@@ -1180,11 +1180,11 @@ dmu_objset_fsid_guid(objset_t *os)
 }
 
 void
-dmu_objset_fast_stat(objset_t *os, dmu_objset_stats_t *st)
+dmu_objset_fast_stat(objset_t *os, dmu_objset_stats_t *stat)
 {
-	st->dds_type = os->os->os_phys->os_type;
+	stat->dds_type = os->os->os_phys->os_type;
 	if (os->os->os_dsl_dataset)
-		dsl_dataset_fast_stat(os->os->os_dsl_dataset, st);
+		dsl_dataset_fast_stat(os->os->os_dsl_dataset, stat);
 }
 
 void
diff --git a/module/zfs/dmu_send.c b/module/zfs/dmu_send.c
index 82b28d4cee..df5a8b36a2 100644
--- a/module/zfs/dmu_send.c
+++ b/module/zfs/dmu_send.c
@@ -901,28 +901,6 @@ restore_free(struct restorearg *ra, objset_t *os,
 	return (err);
 }
 
-/*
- * Compute checksum of drr_begin record
- */
-static void
-dmu_recv_stream_cksum(dmu_recv_cookie_t *drc, struct restorearg *ra)
-{
-	dmu_replay_record_t *drr;
-
-	drr = kmem_zalloc(sizeof (dmu_replay_record_t), KM_SLEEP);
-
-	drr->drr_type = DRR_BEGIN;
-	drr->drr_u.drr_begin = *drc->drc_drrb;
-	if (ra->byteswap) {
-		fletcher_4_incremental_byteswap(drr,
-		    sizeof (dmu_replay_record_t), &(ra->cksum));
-	} else {
-		fletcher_4_incremental_native(drr,
-		    sizeof (dmu_replay_record_t), &(ra->cksum));
-	}
-	kmem_free(drr, sizeof (dmu_replay_record_t));
-}
-
 /*
  * NB: callers *must* call dmu_recv_end() if this succeeds.
  */
@@ -937,7 +915,22 @@ dmu_recv_stream(dmu_recv_cookie_t *drc, vnode_t *vp, offset_t *voffp)
 	if (drc->drc_drrb->drr_magic == BSWAP_64(DMU_BACKUP_MAGIC))
 		ra.byteswap = TRUE;
 
-	dmu_recv_stream_cksum(drc, &ra);
+	{
+		/* compute checksum of drr_begin record */
+		dmu_replay_record_t *drr;
+		drr = kmem_zalloc(sizeof (dmu_replay_record_t), KM_SLEEP);
+
+		drr->drr_type = DRR_BEGIN;
+		drr->drr_u.drr_begin = *drc->drc_drrb;
+		if (ra.byteswap) {
+			fletcher_4_incremental_byteswap(drr,
+			    sizeof (dmu_replay_record_t), &ra.cksum);
+		} else {
+			fletcher_4_incremental_native(drr,
+			    sizeof (dmu_replay_record_t), &ra.cksum);
+		}
+		kmem_free(drr, sizeof (dmu_replay_record_t));
+	}
 
 	if (ra.byteswap) {
 		struct drr_begin *drrb = drc->drc_drrb;
diff --git a/module/zfs/dmu_zfetch.c b/module/zfs/dmu_zfetch.c
index 3e33527c4c..a01d56b098 100644
--- a/module/zfs/dmu_zfetch.c
+++ b/module/zfs/dmu_zfetch.c
@@ -444,7 +444,7 @@ top:
 
 	if (zs) {
 		if (reset) {
-			zstream_t *rm = zs;
+			zstream_t *remove = zs;
 
 			rc = 0;
 			mutex_exit(&zs->zst_lock);
@@ -456,7 +456,7 @@ top:
 			 */
 			for (zs = list_head(&zf->zf_stream); zs;
 			    zs = list_next(&zf->zf_stream, zs)) {
-				if (zs == rm) {
+				if (zs == remove) {
 					dmu_zfetch_stream_remove(zf, zs);
 					mutex_destroy(&zs->zst_lock);
 					kmem_free(zs, sizeof (zstream_t));
diff --git a/module/zfs/dnode.c b/module/zfs/dnode.c
index c07b2528ea..35b6ee8b7a 100644
--- a/module/zfs/dnode.c
+++ b/module/zfs/dnode.c
@@ -659,10 +659,10 @@ dnode_hold_impl(objset_impl_t *os, uint64_t object, int flag,
 	}
 
 	if ((dn = children_dnodes[idx]) == NULL) {
-		dnode_phys_t *dnpp = (dnode_phys_t *)db->db.db_data+idx;
+		dnode_phys_t *dnp = (dnode_phys_t *)db->db.db_data+idx;
 		dnode_t *winner;
 
-		dn = dnode_create(os, dnpp, db, object);
+		dn = dnode_create(os, dnp, db, object);
 		winner = atomic_cas_ptr(&children_dnodes[idx], NULL, dn);
 		if (winner != NULL) {
 			dnode_destroy(dn);
diff --git a/module/zfs/txg.c b/module/zfs/txg.c
index acca41075e..76f8f47cb7 100644
--- a/module/zfs/txg.c
+++ b/module/zfs/txg.c
@@ -154,12 +154,12 @@ txg_thread_exit(tx_state_t *tx, callb_cpr_t *cpr, kthread_t **tpp)
 }
 
 static void
-txg_thread_wait(tx_state_t *tx, callb_cpr_t *cpr, kcondvar_t *cv, uint64_t wt)
+txg_thread_wait(tx_state_t *tx, callb_cpr_t *cpr, kcondvar_t *cv, uint64_t time)
 {
 	CALLB_CPR_SAFE_BEGIN(cpr);
 
-	if (wt)
-		(void) cv_timedwait(cv, &tx->tx_sync_lock, lbolt + wt);
+	if (time)
+		(void) cv_timedwait(cv, &tx->tx_sync_lock, lbolt + time);
 	else
 		cv_wait(cv, &tx->tx_sync_lock);
 
diff --git a/module/zfs/vdev_raidz.c b/module/zfs/vdev_raidz.c
index 483009d7d0..6d9c6f995d 100644
--- a/module/zfs/vdev_raidz.c
+++ b/module/zfs/vdev_raidz.c
@@ -1506,7 +1506,7 @@ vdev_raidz_combrec(zio_t *zio, int total_errors, int data_errors)
 	void *orig[VDEV_RAIDZ_MAXPARITY];
 	int tstore[VDEV_RAIDZ_MAXPARITY + 2];
 	int *tgts = &tstore[1];
-	int curr, next, i, c, n;
+	int current, next, i, c, n;
 	int code, ret = 0;
 
 	ASSERT(total_errors < rm->rm_firstdatacol);
@@ -1554,12 +1554,12 @@ vdev_raidz_combrec(zio_t *zio, int total_errors, int data_errors)
 
 		orig[n - 1] = zio_buf_alloc(rm->rm_col[0].rc_size);
 
-		curr = 0;
-		next = tgts[curr];
+		current = 0;
+		next = tgts[current];
 
-		while (curr != n) {
-			tgts[curr] = next;
-			curr = 0;
+		while (current != n) {
+			tgts[current] = next;
+			current = 0;
 
 			/*
 			 * Save off the original data that we're going to
@@ -1606,34 +1606,34 @@ vdev_raidz_combrec(zio_t *zio, int total_errors, int data_errors)
 
 			do {
 				/*
-				 * Find the next valid column after the curr
+				 * Find the next valid column after the current
 				 * position..
 				 */
-				for (next = tgts[curr] + 1;
+				for (next = tgts[current] + 1;
 				    next < rm->rm_cols &&
 				    rm->rm_col[next].rc_error != 0; next++)
 					continue;
 
-				ASSERT(next <= tgts[curr + 1]);
+				ASSERT(next <= tgts[current + 1]);
 
 				/*
 				 * If that spot is available, we're done here.
 				 */
-				if (next != tgts[curr + 1])
+				if (next != tgts[current + 1])
 					break;
 
 				/*
 				 * Otherwise, find the next valid column after
 				 * the previous position.
 				 */
-				for (c = tgts[curr - 1] + 1;
+				for (c = tgts[current - 1] + 1;
 				    rm->rm_col[c].rc_error != 0; c++)
 					continue;
 
-				tgts[curr] = c;
-				curr++;
+				tgts[current] = c;
+				current++;
 
-			} while (curr != n);
+			} while (current != n);
 		}
 	}
 	n--;