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securityfs: securityfs_remove should handle IS_ERR pointers

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Both of the securityfs users (TPM and IMA) can call securityfs_remove and pass
an IS_ERR(dentry) in their failure paths.  This patch handles those rather
than panicing when it tries to start deferencing some negative memory.

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Eric Paris 2009-05-11 20:47:15 -04:00 committed by James Morris
parent 1a62e958fa
commit d93e4c940f
1 changed files with 1 additions and 1 deletions
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2
security/inode.c
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@ -287,7 +287,7 @@ void securityfs_remove(struct dentry *dentry)
{ {
struct dentry *parent; struct dentry *parent;
if (!dentry) if (!dentry || IS_ERR(dentry))
return; return;
parent = dentry->d_parent; parent = dentry->d_parent;