From 2174f6df7891fa331800beb72634c969f017900b Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Fri, 18 Nov 2011 13:49:00 -0800 Subject: 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 Signed-off-by: Tony Luck --- fs/pstore/inode.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'fs/pstore/inode.c') 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); } -- cgit 1.4.1