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authorKarel Zak2012-01-16 11:28:05 +0100
committerKarel Zak2012-01-16 11:28:05 +0100
commit8b470b20d70eaf2daa84975af13130433c79d1f8 (patch)
tree10285844267726d04ad82d89a39c675d2b42e102 /lib/loopdev.c
parentmount: (new) print error messages (diff)
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libmount: avoid duplicate loopdevs
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'lib/loopdev.c')
-rw-r--r--lib/loopdev.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/loopdev.c b/lib/loopdev.c
index 2035d2314..0e22bca1c 100644
--- a/lib/loopdev.c
+++ b/lib/loopdev.c
@@ -1225,7 +1225,7 @@ int loopdev_is_used(const char *device, const char *filename,
struct stat st;
int rc = 0;
- if (!device)
+ if (!device || !filename)
return 0;
loopcxt_init(&lc, 0);
@@ -1243,6 +1243,9 @@ int loopdev_delete(const char *device)
struct loopdev_cxt lc;
int rc;
+ if (!device)
+ return -EINVAL;
+
loopcxt_init(&lc, 0);
rc = loopcxt_set_device(&lc, device);
if (!rc)