From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wanlong Gao Date: Wed, 15 Jun 2011 01:09:24 +0000 Subject: re:Possible deadlock when suspending framebuffer Message-Id: <1308100165.2113.4.camel@Tux> MIME-Version: 1 Content-Type: multipart/mixed; boundary="=-rTnFNydmgaih3M/h0Rn4" List-Id: References: In-Reply-To: To: Francis Moreau Cc: Paul Mundt , linux-fbdev@vger.kernel.org, Linux Kernel Mailing List , Linus Torvalds --=-rTnFNydmgaih3M/h0Rn4 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Hi Francis: can you test this patch? Thanks >From fe026c42af4cbdce053460a428a445e99071586a Mon Sep 17 00:00:00 2001 From: Wanlong Gao Date: Wed, 15 Jun 2011 09:03:41 +0800 Subject: [PATCH] test Signed-off-by: Wanlong Gao --- drivers/video/fbmem.c | 3 --- 1 files changed, 0 insertions(+), 3 deletions(-) diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 5aac00e..6e6cef3 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1642,11 +1642,8 @@ static int do_unregister_framebuffer(struct fb_info *fb_info) if (i < 0 || i >= FB_MAX || registered_fb[i] != fb_info) return -EINVAL; - if (!lock_fb_info(fb_info)) - return -ENODEV; event.info = fb_info; ret = fb_notifier_call_chain(FB_EVENT_FB_UNBIND, &event); - unlock_fb_info(fb_info); if (ret) return -EINVAL; -- 1.7.4.1 --=-rTnFNydmgaih3M/h0Rn4 Content-Disposition: attachment; filename="0001-test.patch" Content-Type: text/x-patch; name="0001-test.patch"; charset="UTF-8" Content-Transfer-Encoding: 7bit >From fe026c42af4cbdce053460a428a445e99071586a Mon Sep 17 00:00:00 2001 From: Wanlong Gao Date: Wed, 15 Jun 2011 09:03:41 +0800 Subject: [PATCH] test test Signed-off-by: Wanlong Gao --- drivers/video/fbmem.c | 3 --- 1 files changed, 0 insertions(+), 3 deletions(-) diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 5aac00e..6e6cef3 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1642,11 +1642,8 @@ static int do_unregister_framebuffer(struct fb_info *fb_info) if (i < 0 || i >= FB_MAX || registered_fb[i] != fb_info) return -EINVAL; - if (!lock_fb_info(fb_info)) - return -ENODEV; event.info = fb_info; ret = fb_notifier_call_chain(FB_EVENT_FB_UNBIND, &event); - unlock_fb_info(fb_info); if (ret) return -EINVAL; -- 1.7.4.1 --=-rTnFNydmgaih3M/h0Rn4--