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authorSascha Hauer <s.hauer@pengutronix.de>2008-03-01 21:05:23 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2008-03-01 21:05:23 +0100
commite77ed305e6f90368462f5864e811dc8379516a86 (patch)
tree73a8b6f91d998bf088a8135d23da628ba45164a6 /fs
parent6e08f55368b006fd0d70be0906a728f7dd2f448a (diff)
downloadbarebox-e77ed305e6f90368462f5864e811dc8379516a86.tar.gz
barebox-e77ed305e6f90368462f5864e811dc8379516a86.tar.xz
add missing null pointer check in unlink()
Diffstat (limited to 'fs')
-rw-r--r--fs/fs.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/fs.c b/fs/fs.c
index 6be2eba396..2d90df3f5f 100644
--- a/fs/fs.c
+++ b/fs/fs.c
@@ -356,6 +356,11 @@ int unlink(const char *pathname)
goto out;
fsdrv = (struct fs_driver_d *)dev->driver->type_data;
+ if (!fsdrv->unlink) {
+ errno = -ENOSYS;
+ goto out;
+ }
+
errno = fsdrv->unlink(dev, p);
out:
free(freep);