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authorChristoph Hellwig <hch@lst.de>2005-11-08 21:35:04 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-09 07:55:59 -0800
commit8c744fb83da0771afa04695028e3550b798dad90 (patch)
tree670896a1c2594965099853a6c992907abb3a886f /drivers/block/floppy.c
parente4543eddfd3bf3e0d625841377fa695a519edfd4 (diff)
downloadlinux-8c744fb83da0771afa04695028e3550b798dad90.tar.gz
[PATCH] add a file_permission helper
A few more callers of permission() just want to check for a different access
pattern on an already open file.  This patch adds a wrapper for permission()
that takes a file in preparation of per-mount read-only support and to clean
up the callers a little.  The helper is not intended for new code, everything
without the interface set in stone should use vfs_permission()

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/block/floppy.c')
-rw-r--r--drivers/block/floppy.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index dd1935d55424..28002de783b6 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -3776,8 +3776,7 @@ static int floppy_open(struct inode *inode, struct file *filp)
 	/* Allow ioctls if we have write-permissions even if read-only open.
 	 * Needed so that programs such as fdrawcmd still can work on write
 	 * protected disks */
-	if (filp->f_mode & 2
-	    || permission(filp->f_dentry->d_inode, 2, NULL) == 0)
+	if ((filp->f_mode & FMODE_WRITE) || !file_permission(filp, MAY_WRITE))
 		filp->private_data = (void *)8;
 
 	if (UFDCS->rawcmd == 1)