]> pilppa.com Git - linux-2.6-omap-h63xx.git/commit
Use access mode instead of open flags to determine needed permissions
authorLinus Torvalds <torvalds@woody.linux-foundation.org>
Sat, 12 Jan 2008 22:06:34 +0000 (14:06 -0800)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Sat, 12 Jan 2008 22:47:58 +0000 (14:47 -0800)
commit974a9f0b47da74e28f68b9c8645c3786aa5ace1a
tree79f1aaba6998830be0d11bf7a2258529584b35c3
parentd0c4c9d4a2e46f052178806c4004d52cd3ae040f
Use access mode instead of open flags to determine needed permissions

Way back when (in commit 834f2a4a1554dc5b2598038b3fe8703defcbe467, aka
"VFS: Allow the filesystem to return a full file pointer on open intent"
to be exact), Trond changed the open logic to keep track of the original
flags to a file open, in order to pass down the the intent of a dentry
lookup to the low-level filesystem.

However, when doing that reorganization, it changed the meaning of
namei_flags, and thus inadvertently changed the test of access mode for
directories (and RO filesystem) to use the wrong flag.  So fix those
test back to use access mode ("acc_mode") rather than the open flag
("flag").

Issue noticed by Bill Roman at Datalight.

Reported-and-tested-by: Bill Roman <bill.roman@datalight.com>
Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Acked-by: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/namei.c