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| author | Karel Zak | 2012-06-15 12:26:05 +0200 |
|---|---|---|
| committer | Karel Zak | 2012-06-15 12:26:05 +0200 |
| commit | 9d670a2ab4b5b6d5a19aa4d392353f64b7218a5b (patch) | |
| tree | f36547dd53f32a83799e129bdb633ed190beb452 /libmount/src/lock.c | |
| parent | libmount: fix trivial typos (diff) | |
| download | kernel-qcow2-util-linux-9d670a2ab4b5b6d5a19aa4d392353f64b7218a5b.tar.gz kernel-qcow2-util-linux-9d670a2ab4b5b6d5a19aa4d392353f64b7218a5b.tar.xz kernel-qcow2-util-linux-9d670a2ab4b5b6d5a19aa4d392353f64b7218a5b.zip | |
libmount: make some string operations more robust
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'libmount/src/lock.c')
| -rw-r--r-- | libmount/src/lock.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libmount/src/lock.c b/libmount/src/lock.c index 73dc6c8f7..80ccdeea2 100644 --- a/libmount/src/lock.c +++ b/libmount/src/lock.c @@ -138,6 +138,10 @@ int mnt_lock_use_simplelock(struct libmnt_lock *ml, int enable) ml->simplelock = enable ? 1 : 0; sz = strlen(ml->lockfile); + assert(sz); + + if (sz < 1) + return -EINVAL; /* Change lock name: * |