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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-07-08 18:20:11 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-07-08 18:20:11 +0200 |
| commit | 6c96895e999f5c44a95a5cad6a6e32e7bd6e28b6 (patch) | |
| tree | 5f7ca73877e79431e36a96c658120ee89af39b6f | |
| parent | matroxfb: fix regression with uninitalized fb_info->mm_lock mutex (second head) (diff) | |
| download | linux-6c96895e999f5c44a95a5cad6a6e32e7bd6e28b6.tar.xz linux-6c96895e999f5c44a95a5cad6a6e32e7bd6e28b6.zip | |
Revert "fb: Initialize fb_info mutexes in framebuffer_alloc()"
This reverts commit 4148df9b0f38bdd362dd91d52076926c11cbe5a9.
Let's hope that the mm_lock initialization is now correct with all
drivers, following Krzysztof's patches.
Requested-by: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/video/fbmem.c | 2 | ||||
| -rw-r--r-- | drivers/video/fbsysfs.c | 3 | ||||
| -rw-r--r-- | drivers/video/matrox/matroxfb_base.c | 1 | ||||
| -rw-r--r-- | drivers/video/sm501fb.c | 2 |
4 files changed, 4 insertions, 4 deletions
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 53eb39652791..53ea05645ff8 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1513,6 +1513,8 @@ register_framebuffer(struct fb_info *fb_info) if (!registered_fb[i]) break; fb_info->node = i; + mutex_init(&fb_info->lock); + mutex_init(&fb_info->mm_lock); fb_info->dev = device_create(fb_class, fb_info->device, MKDEV(FB_MAJOR, i), NULL, "fb%d", i); diff --git a/drivers/video/fbsysfs.c b/drivers/video/fbsysfs.c index afc04df39a03..d4a2c11d9809 100644 --- a/drivers/video/fbsysfs.c +++ b/drivers/video/fbsysfs.c @@ -62,9 +62,6 @@ struct fb_info *framebuffer_alloc(size_t size, struct device *dev) mutex_init(&info->bl_curve_mutex); #endif - mutex_init(&info->lock); - mutex_init(&info->mm_lock); - return info; #undef PADDING #undef BYTES_PER_LONG diff --git a/drivers/video/matrox/matroxfb_base.c b/drivers/video/matrox/matroxfb_base.c index 721a87dc8cfc..0c1049b308bf 100644 --- a/drivers/video/matrox/matroxfb_base.c +++ b/drivers/video/matrox/matroxfb_base.c @@ -2082,7 +2082,6 @@ static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dumm spin_lock_init(&ACCESS_FBINFO(lock.accel)); init_rwsem(&ACCESS_FBINFO(crtc2.lock)); init_rwsem(&ACCESS_FBINFO(altout.lock)); - mutex_init(&ACCESS_FBINFO(fbcon).lock); mutex_init(&ACCESS_FBINFO(fbcon).mm_lock); ACCESS_FBINFO(irq_flags) = 0; init_waitqueue_head(&ACCESS_FBINFO(crtc1.vsync.wait)); diff --git a/drivers/video/sm501fb.c b/drivers/video/sm501fb.c index 98f24f0ec00d..16d4f4c7d52b 100644 --- a/drivers/video/sm501fb.c +++ b/drivers/video/sm501fb.c @@ -1624,6 +1624,8 @@ static int __devinit sm501fb_start_one(struct sm501fb_info *info, if (!fbi) return 0; + mutex_init(&info->fb[head]->mm_lock); + ret = sm501fb_init_fb(info->fb[head], head, drvname); if (ret) { dev_err(info->dev, "cannot initialise fb %s\n", drvname); |