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| author | Arjan van de Ven <arjan@linux.intel.com> | 2006-07-30 03:03:30 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-31 13:28:39 -0700 |
| commit | 8e185d83398b2708f50207bc12d0e0a70bd70767 (patch) | |
| tree | b7c9e7b9151a409eb55cb3c4a60da6b8dc36cb6d | |
| parent | 1e86240f3fd33f8052141778ad3dffe2c96184d7 (diff) | |
| download | kernel_samsung_smdk4412-8e185d83398b2708f50207bc12d0e0a70bd70767.tar.gz kernel_samsung_smdk4412-8e185d83398b2708f50207bc12d0e0a70bd70767.tar.bz2 kernel_samsung_smdk4412-8e185d83398b2708f50207bc12d0e0a70bd70767.zip | |
[PATCH] lockdep: annotate pktcdvd natural device hierarchy
The pkt_*_dev functions operate on not-this-blockdevice, and that is
sufficiently checked at setup time. As a result there is a natural
hierarchy, which needs nesting annotations
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Cc: Peter Osterlund <petero2@telia.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | drivers/block/pktcdvd.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index bde2c64b634..451b996bba9 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -2577,19 +2577,19 @@ static int pkt_ctl_ioctl(struct inode *inode, struct file *file, unsigned int cm case PKT_CTRL_CMD_SETUP: if (!capable(CAP_SYS_ADMIN)) return -EPERM; - mutex_lock(&ctl_mutex); + mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); ret = pkt_setup_dev(&ctrl_cmd); mutex_unlock(&ctl_mutex); break; case PKT_CTRL_CMD_TEARDOWN: if (!capable(CAP_SYS_ADMIN)) return -EPERM; - mutex_lock(&ctl_mutex); + mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); ret = pkt_remove_dev(&ctrl_cmd); mutex_unlock(&ctl_mutex); break; case PKT_CTRL_CMD_STATUS: - mutex_lock(&ctl_mutex); + mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); pkt_get_status(&ctrl_cmd); mutex_unlock(&ctl_mutex); break; |