patch-2.4.3 linux/drivers/char/drm/mga_bufs.c
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- Lines: 22
- Date:
Mon Mar 19 12:35:08 2001
- Orig file:
v2.4.2/linux/drivers/char/drm/mga_bufs.c
- Orig date:
Sun Oct 1 20:00:00 2000
diff -u --recursive --new-file v2.4.2/linux/drivers/char/drm/mga_bufs.c linux/drivers/char/drm/mga_bufs.c
@@ -549,17 +549,17 @@
DRM_DEBUG("map->flags : %x\n", map->flags);
DRM_DEBUG("map->handle : %p\n", map->handle);
DRM_DEBUG("map->mtrr : %d\n", map->mtrr);
- down(¤t->mm->mmap_sem);
+ down_write(¤t->mm->mmap_sem);
virtual = do_mmap(filp, 0, map->size,
PROT_READ|PROT_WRITE,
MAP_SHARED,
(unsigned long)map->offset);
- up(¤t->mm->mmap_sem);
+ up_write(¤t->mm->mmap_sem);
} else {
- down(¤t->mm->mmap_sem);
+ down_write(¤t->mm->mmap_sem);
virtual = do_mmap(filp, 0, dma->byte_count,
PROT_READ|PROT_WRITE, MAP_SHARED, 0);
- up(¤t->mm->mmap_sem);
+ up_write(¤t->mm->mmap_sem);
}
if (virtual > -1024UL) {
/* Real error */
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