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zfs_get_enclosure_sysfs_path(): don't free undefined pointer

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Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #11993
This commit is contained in:
наб 2021-05-03 12:13:20 +02:00 committed by Tony Hutter
parent b847e538ef
commit cc6ea631ce
1 changed files with 3 additions and 2 deletions
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5
lib/libzutil/os/linux/zutil_device_path_os.c
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@ -207,9 +207,10 @@ zfs_get_enclosure_sysfs_path(const char *dev_name)
if (strstr(ep->d_name, "enclosure_device") == NULL)
continue;
if (asprintf(&tmp2, "%s/%s", tmp1, ep->d_name) == -1 ||
tmp2 == NULL)
if (asprintf(&tmp2, "%s/%s", tmp1, ep->d_name) == -1) {
tmp2 = NULL;
break;
}
size = readlink(tmp2, buf, sizeof (buf));