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libzfs_sendrecv: Initialize in case of failure 

In zfs_send_progress, initialize \*bytes_written and \*blocks_visited
in case we have to return early due to ioctl failure.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <freqlabs@FreeBSD.org>
Closes #12967
This commit is contained in:
Ryan Moeller 2021-08-05 15:32:57 +00:00 committed by Brian Behlendorf
parent 25074b472a
commit 24f1aa023a
1 changed files with 4 additions and 0 deletions
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4
lib/libzfs/libzfs_sendrecv.c
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@ -883,6 +883,10 @@ zfs_send_progress(zfs_handle_t *zhp, int fd, uint64_t *bytes_written,
{
zfs_cmd_t zc = {"\0"};
if (bytes_written != NULL)
*bytes_written = 0;
if (blocks_visited != NULL)
*blocks_visited = 0;
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
zc.zc_cookie = fd;
if (zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_SEND_PROGRESS, &zc) != 0)