diff options
| author | Daniel Golle <daniel@makrotopia.org> | 2021-11-16 20:49:23 +0000 |
|---|---|---|
| committer | Daniel Golle <daniel@makrotopia.org> | 2021-11-16 21:52:36 +0000 |
| commit | 77c02889177c43df8ebe07bce4d55b7f7358118f (patch) | |
| tree | c7e865a50afd8bc5ad0313079e63d9450c9bb984 /libfstools/mount.c | |
| parent | d3907445b7aa9cbde70d501bd68a5e38db90c6b2 (diff) | |
| download | fstools-77c02889177c43df8ebe07bce4d55b7f7358118f.tar.gz | |
fstools: fix a couple of minor code problems
Improve error handling and fix a resource leak inside an error path.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Diffstat (limited to 'libfstools/mount.c')
| -rw-r--r-- | libfstools/mount.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libfstools/mount.c b/libfstools/mount.c index 1691ce7..3d4111f 100644 --- a/libfstools/mount.c +++ b/libfstools/mount.c @@ -143,8 +143,11 @@ fopivot(char *rw_root, char *ro_root) * We can't really deal with these constraints without * creating two new subdirectories in /overlay. */ - mkdir(upperdir, 0755); - mkdir(workdir, 0755); + if (mkdir(upperdir, 0755) == -1 && errno != EEXIST) + return -1; + + if (mkdir(workdir, 0755) == -1 && errno != EEXIST) + return -1; if (stat(upgrade, &st) == 0) rename(upgrade, upgrade_dest); |