Clean up mutex_trylock noise

Ingo Molnar's semaphore to mutex conversions left some noise on a few
trylock calls. Clean it up.
Signed-off-by: NJean Delvare <khali@linux-fr.org>
Acked-by: NIngo Molnar <mingo@elte.hu>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/media/video/zoran_driver.c

@@ -2034,7 +2034,7 @@ zoran_do_ioctl (struct inode *inode,
 	 * but moving the free code outside the munmap() handler fixes
 	 * all this... If someone knows why, please explain me (Ronald)
 	 */
-	if (!!mutex_trylock(&zr->resource_lock)) {
+	if (mutex_trylock(&zr->resource_lock)) {
 		/* we obtained it! Let's try to free some things */
 		if (fh->jpg_buffers.ready_to_be_freed)
 			jpg_fbuffer_free(file);

drivers/mtd/mtd_blkdevs.c

@@ -216,7 +216,7 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
 	int last_devnum = -1;
 	struct gendisk *gd;
 
-	if (!!mutex_trylock(&mtd_table_mutex)) {
+	if (mutex_trylock(&mtd_table_mutex)) {
 		mutex_unlock(&mtd_table_mutex);
 		BUG();
 	}
@@ -294,7 +294,7 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
 
 int del_mtd_blktrans_dev(struct mtd_blktrans_dev *old)
 {
-	if (!!mutex_trylock(&mtd_table_mutex)) {
+	if (mutex_trylock(&mtd_table_mutex)) {
 		mutex_unlock(&mtd_table_mutex);
 		BUG();
 	}