+ dm1105-fix-the-misuse-of-pci_dma_mapping_error.patch added to -mm tree

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



The patch titled
     dm1105: fix the misuse of pci_dma_mapping_error
has been added to the -mm tree.  Its filename is
     dm1105-fix-the-misuse-of-pci_dma_mapping_error.patch

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/SubmitChecklist when testing your code ***

See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this

The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/

------------------------------------------------------
Subject: dm1105: fix the misuse of pci_dma_mapping_error
From: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>

pci_dma_mapping_error can't be used for pci_alloc_consistent
(pci_dma_mapping_error is for dma_map_single and dma_map_page). 
pci_alloc_consistent returns NULL if the allocation fails.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 drivers/media/dvb/dm1105/dm1105.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN drivers/media/dvb/dm1105/dm1105.c~dm1105-fix-the-misuse-of-pci_dma_mapping_error drivers/media/dvb/dm1105/dm1105.c
--- a/drivers/media/dvb/dm1105/dm1105.c~dm1105-fix-the-misuse-of-pci_dma_mapping_error
+++ a/drivers/media/dvb/dm1105/dm1105.c
@@ -367,7 +367,7 @@ static int __devinit dm1105dvb_dma_map(s
 {
 	dm1105dvb->ts_buf = pci_alloc_consistent(dm1105dvb->pdev, 6*DM1105_DMA_BYTES, &dm1105dvb->dma_addr);
 
-	return pci_dma_mapping_error(dm1105dvb->pdev, dm1105dvb->dma_addr);
+	return !dm1105dvb->ts_buf;
 }
 
 static void dm1105dvb_dma_unmap(struct dm1105dvb *dm1105dvb)
_

Patches currently in -mm which might be from fujita.tomonori@xxxxxxxxxxxxx are

origin.patch
cciss-fix-regression-firmware-not-displayed-in-procfs-again-and-again.patch
linux-next.patch
megaraid-fix-mega_internal_command-oops.patch
dm1105-fix-the-misuse-of-pci_dma_mapping_error.patch

--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Kernel Newbies FAQ]     [Kernel Archive]     [IETF Annouce]     [DCCP]     [Netdev]     [Networking]     [Security]     [Bugtraq]     [Photo]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux SCSI]

  Powered by Linux