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