patch-2.4.3 linux/drivers/sgi/char/shmiq.c

• Lines: 14
• Date: Mon Mar 19 12:35:09 2001
• Orig file: v2.4.2/linux/drivers/sgi/char/shmiq.c
• Orig date: Wed Jul 12 21:58:43 2000

diff -u --recursive --new-file v2.4.2/linux/drivers/sgi/char/shmiq.c linux/drivers/sgi/char/shmiq.c
@@ -286,11 +286,11 @@
 			s = req.arg * sizeof (struct shmqevent) +
 			    sizeof (struct sharedMemoryInputQueue);
 			v = sys_munmap (vaddr, s);
-			down(&current->mm->mmap_sem);
+			down_write(&current->mm->mmap_sem);
 			do_munmap(current->mm, vaddr, s);
 			do_mmap(filp, vaddr, s, PROT_READ | PROT_WRITE,
 			        MAP_PRIVATE|MAP_FIXED, 0);
-			up(&current->mm->mmap_sem);
+			up_write(&current->mm->mmap_sem);
 			shmiqs[minor].events = req.arg;
 			shmiqs[minor].mapped = 1;