From: Damian Wrobel <[EMAIL PROTECTED]>
This patch solves the following problem I've already discovered on the
latest 2.6.15-rc1-git1 kernel:
Nov 13 07:37:28 wrobel kernel: Bad page state at free_hot_cold_page (in process
'motion', page c164e020)
Nov 13 07:37:28 wrobel kernel: flags:0x40000400 mapping:00000000 mapcount:0
count:0
Nov 13 07:37:28 wrobel kernel: Backtrace:
Nov 13 07:37:28 wrobel kernel: [<c0146d86>] bad_page+0x85/0xbe
Nov 13 07:37:28 wrobel kernel: [<c0147629>] free_hot_cold_page+0x54/0x129
Nov 13 07:37:28 wrobel kernel: [<c01598c6>] __vunmap+0xa9/0xfe
Nov 13 07:37:28 wrobel kernel: [<c0154114>] vmalloc_to_page+0x34/0x55
Nov 13 07:37:28 wrobel kernel: [<c0159942>] vfree+0x27/0x35
Nov 13 07:37:28 wrobel kernel: [<f8a20292>] sn9c102_release_buffers+0x30/0x3f
[sn9c102]
Nov 13 07:37:28 wrobel kernel: [<f8a231c2>] sn9c102_release+0x37/0xeb [sn9c102]
Nov 13 07:37:28 wrobel kernel: [<c0163e74>] __fput+0xa9/0x1aa
Nov 13 07:37:28 wrobel kernel: [<c01624f7>] filp_close+0x49/0x6d
Nov 13 07:37:30 wrobel kernel: [<c016258f>] sys_close+0x74/0x95
Nov 13 07:37:30 wrobel kernel: [<c0102ef9>] syscall_call+0x7/0xb
Nov 13 07:37:31 wrobel kernel: Trying to fix it up, but a reboot is needed
Signed-off-by: Damian Wrobel <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/usb/media/sn9c102_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- usb-2.6.orig/drivers/usb/media/sn9c102_core.c
+++ usb-2.6/drivers/usb/media/sn9c102_core.c
@@ -199,7 +199,7 @@ static void sn9c102_release_buffers(stru
{
if (cam->nbuffers) {
rvfree(cam->frame[0].bufmem,
- cam->nbuffers * cam->frame[0].buf.length);
+ cam->nbuffers * PAGE_ALIGN(cam->frame[0].buf.length));
cam->nbuffers = 0;
}
}
--
-------------------------------------------------------
This SF.net email is sponsored by: Splunk Inc. Do you grep through log files
for problems? Stop! Download the new AJAX search engine that makes
searching your log files as easy as surfing the web. DOWNLOAD SPLUNK!
http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click
_______________________________________________
linux-usb-devel@lists.sourceforge.net
To unsubscribe, use the last form field at:
https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
