From: Andreas Gruenbacher <agruen@xxxxxxxxxx>
Signed-off-by: Andreas Gruenbacher <agruen@xxxxxxxxxx>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
---
fs/namei.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/fs/namei.c b/fs/namei.c
index f34a4d4..23bc030 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -221,7 +221,7 @@ static int check_acl(struct inode *inode, int mask)
}
/*
- * This does basic POSIX ACL permission checking
+ * This does the basic permission checking
*/
static int acl_permission_check(struct inode *inode, int mask)
{
@@ -271,7 +271,7 @@ int generic_permission(struct inode *inode, int mask)
int ret;
/*
- * Do the basic POSIX ACL permission checks.
+ * Do the basic permission checks.
*/
ret = acl_permission_check(inode, mask);
if (ret != -EACCES)
@@ -335,6 +335,8 @@ static inline int do_inode_permission(struct inode *inode, int mask)
* We use "fsuid" for this, letting us set arbitrary permissions
* for filesystem access without changing the "normal" uids which
* are used for other things.
+ *
+ * When checking for MAY_APPEND, MAY_WRITE must also be set in @mask.
*/
int inode_permission(struct inode *inode, int mask)
{
--
1.7.4.1
--
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