zfs_get_enclosure_sysfs_path(): don't free undefined pointer
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz> Closes #11993
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@ -207,9 +207,10 @@ zfs_get_enclosure_sysfs_path(const char *dev_name)
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if (strstr(ep->d_name, "enclosure_device") == NULL)
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continue;
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if (asprintf(&tmp2, "%s/%s", tmp1, ep->d_name) == -1 ||
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tmp2 == NULL)
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if (asprintf(&tmp2, "%s/%s", tmp1, ep->d_name) == -1) {
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tmp2 = NULL;
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break;
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}
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size = readlink(tmp2, buf, sizeof (buf));
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