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| author | Karel Zak | 2012-12-04 14:22:39 +0100 |
|---|---|---|
| committer | Karel Zak | 2012-12-04 14:22:39 +0100 |
| commit | ba2bdf41c436640286df40529cddede46b3ba5d8 (patch) | |
| tree | 2fd343c6a2450b4566ca996ff2f0c9703bc2e680 /libmount/src/tab_update.c | |
| parent | libblkid: re-read PART{UUID,LABEL} for successfully verified cached devices (diff) | |
| download | kernel-qcow2-util-linux-ba2bdf41c436640286df40529cddede46b3ba5d8.tar.gz kernel-qcow2-util-linux-ba2bdf41c436640286df40529cddede46b3ba5d8.tar.xz kernel-qcow2-util-linux-ba2bdf41c436640286df40529cddede46b3ba5d8.zip | |
libmount: clean nonnull attribute usage
- use __attribute__((nonnull) for functions where we not able to
return an return code ("is", "has" and some "get" functions).
- use __attribute__((nonnull) for small functions where we
always modify any of the function argument (some mnt_optstr_* functions)
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'libmount/src/tab_update.c')
| -rw-r--r-- | libmount/src/tab_update.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libmount/src/tab_update.c b/libmount/src/tab_update.c index 4f04c8ecd..7ae540abf 100644 --- a/libmount/src/tab_update.c +++ b/libmount/src/tab_update.c @@ -87,6 +87,8 @@ int mnt_update_set_filename(struct libmnt_update *upd, const char *filename, int rw = 0; assert(upd); + if (!upd) + return -EINVAL; /* filename explicitly defined */ if (filename) { |