The patch number 8309 was added via Michael Krufky <[EMAIL PROTECTED]>
to http://linuxtv.org/hg/v4l-dvb master development tree.

Kernel patches in this development tree may be modified to be backward
compatible with older kernels. Compatibility modifications will be
removed before inclusion into the mainstream Kernel

If anyone has any objections, please let us know by sending a message to:
        [EMAIL PROTECTED]

------

From: Michael Krufky  <[EMAIL PROTECTED]>
sms1xxx: fix OOPS on 64 bit kernels due to a bad cast


Fix the following build warning:

smscoreapi.c: In function 'smscore_detect_mode':
smscoreapi.c:689: warning: cast from pointer to integer of different size
smscoreapi.c:689: warning: cast to pointer from integer of different size
smscoreapi.c: In function 'smscore_set_device_mode':
smscoreapi.c:820: warning: cast from pointer to integer of different size
smscoreapi.c:820: warning: cast to pointer from integer of different size

...and fix the following OOPS on 64bit kernels:

[  717.263667] usb 6-4: new high speed USB device using ehci_hcd and address 2
[  717.396386] usb 6-4: configuration #1 chosen from 1 choice
[  717.473650] Unable to handle kernel paging request at 0000000000c02000 RIP:
[  717.473657]  [<ffffffff88db9edc>] 
:sms1xxx:smscore_set_device_mode+0x22c/0x4a0
[  717.473669] PGD 3c6f7067 PUD 3d484067 PMD 0
[  717.473674] Oops: 0002 [1] SMP
[  717.473678] CPU 0
[Modules linked in snipped]
[  717.473773] Pid: 8380, comm: modprobe Tainted: P        2.6.24-16-generic #1
[  717.473776] RIP: 0010:[<ffffffff88db9edc>]  [<ffffffff88db9edc>] 
:sms1xxx:smscore_set_device_mode+0x22c/0x4a0
[  717.473784] RSP: 0018:ffff81003d495ba8  EFLAGS: 00010206
[  717.473786] RAX: ffff81003d8cd8d0 RBX: ffff81003d8cd800 RCX: ffff81003d8cd8d0
[  717.473788] RDX: 0000000000000008 RSI: ffff81003f080070 RDI: ffff81003d8cd800
[  717.473791] RBP: 0000000000000004 R08: ffff81003ec0104b R09: ffffffffffffffff
[  717.473793] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000c02000
[  717.473796] R13: 00000000fffffff4 R14: ffff810000c02000 R15: ffff81003d8cd878
[  717.473799] FS:  00007f70a680f6e0(0000) GS:ffffffff805b0000(0000) 
knlGS:0000000000000000
[  717.473801] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[  717.473804] CR2: 0000000000c02000 CR3: 000000003c68b000 CR4: 00000000000006e0
[  717.473806] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  717.473809] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[  717.473812] Process modprobe (pid: 8380, threadinfo ffff81003d494000, task 
ffff81003d2fc000)
[  717.473814] Stack:  ffff81003d8cd800 ffff81003d8cd800 0000000000000000 
ffff81003c6d8000
[  717.473820]  ffff81003dcac800 0000000000000008 ffffc20000787bb0 
ffffffff88dba16c
[  717.473825]  ffff81003dcac800 000000000000000a 0000000000000000 
ffffffff88dbb2fa
[  717.473829] Call Trace:
[  717.473866]  [<ffffffff88dba16c>] :sms1xxx:smscore_start_device+0x1c/0xb0
[  717.473885]  [<ffffffff88dbb2fa>] :sms1xxx:smsusb_probe+0x29a/0x670
[  717.473929]  [<ffffffff88dbaca0>] :sms1xxx:smsusb_sendrequest+0x0/0x30
[  717.473965]  [<ffffffff804614d9>] mutex_lock+0x9/0x20
[  717.473998]  [<ffffffff8806c42e>] :usbcore:usb_autopm_do_device+0x8e/0x130
[  717.474040]  [<ffffffff8806d33a>] :usbcore:usb_probe_interface+0xda/0x160
[  717.474067]  [<ffffffff803b9f4c>] driver_probe_device+0x9c/0x1b0
[  717.474091]  [<ffffffff803ba219>] __driver_attach+0xc9/0xd0
[  717.474107]  [<ffffffff803ba150>] __driver_attach+0x0/0xd0
[  717.474115]  [<ffffffff803b918d>] bus_for_each_dev+0x4d/0x80
[  717.474156]  [<ffffffff803b959c>] bus_add_driver+0xac/0x220
[  717.474203]  [<ffffffff8806cde9>] :usbcore:usb_register_driver+0xa9/0x120
[  717.474232]  [<ffffffff88dbb00b>] :sms1xxx:smsusb_register+0x1b/0x70
[  717.474243]  [<ffffffff88dba50c>] :sms1xxx:smscore_module_init+0x7c/0xb0
[  717.474253]  [<ffffffff80263b6e>] sys_init_module+0x18e/0x1a90
[  717.474426]  [<ffffffff8020c37e>] system_call+0x7e/0x83
[  717.474490]
[  717.474491]
[  717.474492] Code: 66 41 c7 04 24 9c 02 41 c6 44 24 02 00 4c 89 e6 41 c6 44 24
[  717.474506] RIP  [<ffffffff88db9edc>] 
:sms1xxx:smscore_set_device_mode+0x22c/0x4a0
[  717.474513]  RSP <ffff81003d495ba8>
[  717.474515] CR2: 0000000000c02000
[  717.474521] ---[ end trace 52d9c6f207be106a ]---

Signed-off-by: Michael Krufky <[EMAIL PROTECTED]>


---

 linux/drivers/media/dvb/siano/smscoreapi.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -r 5d4b2c26f85c -r cb78c91a5373 linux/drivers/media/dvb/siano/smscoreapi.h
--- a/linux/drivers/media/dvb/siano/smscoreapi.h        Sat Jun 28 19:53:51 
2008 -0400
+++ b/linux/drivers/media/dvb/siano/smscoreapi.h        Sun Jun 29 10:45:37 
2008 -0400
@@ -50,7 +50,7 @@ typedef struct mutex kmutex_t;
 #define SMS_ALLOC_ALIGNMENT                                    128
 #define SMS_DMA_ALIGNMENT                                      16
 #define SMS_ALIGN_ADDRESS(addr) \
-       ((((u32)(addr)) + (SMS_DMA_ALIGNMENT-1)) & ~(SMS_DMA_ALIGNMENT-1))
+       ((((uintptr_t)(addr)) + (SMS_DMA_ALIGNMENT-1)) & ~(SMS_DMA_ALIGNMENT-1))
 
 #define SMS_DEVICE_FAMILY2                                     1
 #define SMS_ROM_NO_RESPONSE                                    2


---

Patch is available at: 
http://linuxtv.org/hg/v4l-dvb/rev/cb78c91a5373d86e8b3c771e7c8dbd9f89a8e9c1

_______________________________________________
linuxtv-commits mailing list
linuxtv-commits@linuxtv.org
http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits

Reply via email to