fuse: fix sparse warnings

fs/fuse/dev.c:306:2: warning: context imbalance in 'wait_answer_interruptible' - unexpected unlock
fs/fuse/dev.c:361:2: warning: context imbalance in 'request_wait_answer' - unexpected unlock
fs/fuse/dev.c:1002:4: warning: context imbalance in 'end_io_requests' - unexpected unlock

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index bba8376..87250b6 100644 (file)
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -299,6 +299,7 @@ static void request_end(struct fuse_conn *fc, struct fuse_req *req)
 
 static void wait_answer_interruptible(struct fuse_conn *fc,
                                      struct fuse_req *req)
 
 static void wait_answer_interruptible(struct fuse_conn *fc,
                                      struct fuse_req *req)

+       __releases(fc->lock) __acquires(fc->lock)

 {
        if (signal_pending(current))
                return;
 {
        if (signal_pending(current))
                return;


@@ -315,8 +316,8 @@ static void queue_interrupt(struct fuse_conn *fc, struct fuse_req *req)
        kill_fasync(&fc->fasync, SIGIO, POLL_IN);
 }
 
        kill_fasync(&fc->fasync, SIGIO, POLL_IN);
 }
 

-/* Called with fc->lock held.  Releases, and then reacquires it. */

 static void request_wait_answer(struct fuse_conn *fc, struct fuse_req *req)
 static void request_wait_answer(struct fuse_conn *fc, struct fuse_req *req)

+       __releases(fc->lock) __acquires(fc->lock)

 {
        if (!fc->no_interrupt) {
                /* Any signal may interrupt this */
 {
        if (!fc->no_interrupt) {
                /* Any signal may interrupt this */


@@ -987,6 +988,7 @@ static void end_requests(struct fuse_conn *fc, struct list_head *head)
  * locked).
  */
 static void end_io_requests(struct fuse_conn *fc)
  * locked).
  */
 static void end_io_requests(struct fuse_conn *fc)

+       __releases(fc->lock) __acquires(fc->lock)

 {
        while (!list_empty(&fc->io)) {
                struct fuse_req *req =
 {
        while (!list_empty(&fc->io)) {
                struct fuse_req *req =