diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-04-27 09:42:24 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-04-27 05:13:04 -0400 |
| commit | 80f18379a7c350c011d30332658aa15fe49a8fa5 (patch) | |
| tree | e458fc2380de4545f8e94608e3c77635d334c053 /fs/fcntl.c | |
| parent | 020c2833dbc76b4069c9a9886b71511052d160df (diff) | |
| download | linux-80f18379a7c350c011d30332658aa15fe49a8fa5.tar.bz2 | |
fs: add a VALID_OPEN_FLAGS
Add a central define for all valid open flags, and use it in the uniqueness
check.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/fcntl.c')
| -rw-r--r-- | fs/fcntl.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/fs/fcntl.c b/fs/fcntl.c index be8fbe289087..de1b16bb6a29 100644 --- a/fs/fcntl.c +++ b/fs/fcntl.c @@ -742,16 +742,10 @@ static int __init fcntl_init(void) * Exceptions: O_NONBLOCK is a two bit define on parisc; O_NDELAY * is defined as O_NONBLOCK on some platforms and not on others. */ - BUILD_BUG_ON(21 - 1 /* for O_RDONLY being 0 */ != HWEIGHT32( - O_RDONLY | O_WRONLY | O_RDWR | - O_CREAT | O_EXCL | O_NOCTTY | - O_TRUNC | O_APPEND | /* O_NONBLOCK | */ - __O_SYNC | O_DSYNC | FASYNC | - O_DIRECT | O_LARGEFILE | O_DIRECTORY | - O_NOFOLLOW | O_NOATIME | O_CLOEXEC | - __FMODE_EXEC | O_PATH | __O_TMPFILE | - __FMODE_NONOTIFY - )); + BUILD_BUG_ON(21 - 1 /* for O_RDONLY being 0 */ != + HWEIGHT32( + (VALID_OPEN_FLAGS & ~(O_NONBLOCK | O_NDELAY)) | + __FMODE_EXEC | __FMODE_NONOTIFY)); fasync_cache = kmem_cache_create("fasync_cache", sizeof(struct fasync_struct), 0, SLAB_PANIC, NULL); |