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another race fix in jfs_check_acl()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2009-06-24 17:02:42 -04:00
parent 72c04902d1
commit d5bb68adda
1 changed files with 7 additions and 6 deletions
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13
fs/jfs/acl.c
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@ -118,15 +118,16 @@ out:
static int jfs_check_acl(struct inode *inode, int mask) static int jfs_check_acl(struct inode *inode, int mask)
{ {
if (inode->i_acl == ACL_NOT_CACHED) { struct posix_acl *acl = jfs_get_acl(inode, ACL_TYPE_ACCESS);
struct posix_acl *acl = jfs_get_acl(inode, ACL_TYPE_ACCESS);
if (IS_ERR(acl)) if (IS_ERR(acl))
return PTR_ERR(acl); return PTR_ERR(acl);
if (acl) {
int error = posix_acl_permission(inode, acl, mask);
posix_acl_release(acl); posix_acl_release(acl);
return error;
} }
if (inode->i_acl)
return posix_acl_permission(inode, inode->i_acl, mask);
return -EAGAIN; return -EAGAIN;
} }