diff options
| author | Kees Cook | 2011-11-18 22:49:00 +0100 |
|---|---|---|
| committer | Tony Luck | 2011-11-18 22:49:00 +0100 |
| commit | 2174f6df7891fa331800beb72634c969f017900b (patch) | |
| tree | f9253298863844903b0ed76c7e9ae1f663b1a9d3 /fs/pstore/inode.c | |
| parent | pstore: pass reason to backend write callback (diff) | |
| download | kernel-qcow2-linux-2174f6df7891fa331800beb72634c969f017900b.tar.gz kernel-qcow2-linux-2174f6df7891fa331800beb72634c969f017900b.tar.xz kernel-qcow2-linux-2174f6df7891fa331800beb72634c969f017900b.zip | |
pstore: gracefully handle NULL pstore_info functions
If a pstore backend doesn't want to support various portions of the
pstore interface, it can just leave those functions NULL instead of
creating no-op stubs.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'fs/pstore/inode.c')
| -rw-r--r-- | fs/pstore/inode.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c index 379a02dc1217..b3b426edb2fd 100644 --- a/fs/pstore/inode.c +++ b/fs/pstore/inode.c @@ -80,7 +80,8 @@ static int pstore_unlink(struct inode *dir, struct dentry *dentry) { struct pstore_private *p = dentry->d_inode->i_private; - p->psi->erase(p->type, p->id, p->psi); + if (p->psi->erase) + p->psi->erase(p->type, p->id, p->psi); return simple_unlink(dir, dentry); } |