diff options
author | Kees Cook <keescook@chromium.org> | 2011-11-18 21:49:00 (GMT) |
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committer | Tony Luck <tony.luck@intel.com> | 2011-11-18 21:49:00 (GMT) |
commit | 2174f6df7891fa331800beb72634c969f017900b (patch) | |
tree | f9253298863844903b0ed76c7e9ae1f663b1a9d3 /fs/pstore/inode.c | |
parent | 3d6d8d20ec4fd3b256632edb373a9c504724b8a9 (diff) | |
download | linux-fsl-qoriq-2174f6df7891fa331800beb72634c969f017900b.tar.xz |
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 379a02d..b3b426e 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); } |