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authorKarel Zak2015-08-31 10:11:01 +0200
committerKarel Zak2015-08-31 10:11:01 +0200
commit32c9ce4bafa76003f732b6e60e794c15a1942ca8 (patch)
tree93db5c8d8b2ae63110a9bcaa34967b0b8c87ec3c /lib/sysfs.c
parentlsblk: fix resource leak [coverity scan] (diff)
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lib/sysfs: make sysfs_next_subsystem() more robust
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'lib/sysfs.c')
-rw-r--r--lib/sysfs.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/sysfs.c b/lib/sysfs.c
index caf89bf53..d2146d5fb 100644
--- a/lib/sysfs.c
+++ b/lib/sysfs.c
@@ -658,6 +658,8 @@ int sysfs_next_subsystem(struct sysfs_cxt *cxt __attribute__((unused)),
if (!subsys || !devchain)
return -EINVAL;
+ *subsys = NULL;
+
while ((sub = get_subsystem(devchain, subbuf, sizeof(subbuf)))) {
*subsys = strdup(sub);
if (!*subsys)