From: Shaun Ren <shaun.ren@linux.com>
To: gregkh@linuxfoundation.org, rjui@broadcom.com
Cc: sbranden@broadcom.com, jonmason@broadcom.com,
mahfouz.saif.elyazal@gmail.com, joe@perches.com,
devel@driverdev.osuosl.org, linux-arm-kernel@lists.infradead.org,
bcm-kernel-feedback-list@broadcom.com,
linux-kernel@vger.kernel.org, Shaun Ren <shaun.ren@linux.com>
Subject: [PATCH v2 9/9] Staging: rts5208: Add missing dma_mapping_error
Date: Mon, 8 Feb 2016 17:31:25 -0800 [thread overview]
Message-ID: <1454981485-15686-10-git-send-email-shaun.ren@linux.com> (raw)
In-Reply-To: <1454981485-15686-1-git-send-email-shaun.ren@linux.com>
This patch adds a dma_mapping_error call to debug potential DMA mapping
errors after the dma_map_single call in rtsx_transport.c.
Signed-off-by: Shaun Ren <shaun.ren@linux.com>
---
drivers/staging/rts5208/rtsx_transport.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/rts5208/rtsx_transport.c b/drivers/staging/rts5208/rtsx_transport.c
index c0fd8c5..00da7ab 100644
--- a/drivers/staging/rts5208/rtsx_transport.c
+++ b/drivers/staging/rts5208/rtsx_transport.c
@@ -664,7 +664,7 @@ static int rtsx_transfer_buf(struct rtsx_chip *chip, u8 card, void *buf,
return -ENXIO;
addr = dma_map_single(&rtsx->pci->dev, buf, len, dma_dir);
- if (!addr)
+ if (dma_mapping_error(&rtsx->pci->dev, addr))
return -ENOMEM;
if (card == SD_CARD)
--
2.7.0
WARNING: multiple messages have this Message-ID (diff)
From: shaun.ren@linux.com (Shaun Ren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 9/9] Staging: rts5208: Add missing dma_mapping_error
Date: Mon, 8 Feb 2016 17:31:25 -0800 [thread overview]
Message-ID: <1454981485-15686-10-git-send-email-shaun.ren@linux.com> (raw)
In-Reply-To: <1454981485-15686-1-git-send-email-shaun.ren@linux.com>
This patch adds a dma_mapping_error call to debug potential DMA mapping
errors after the dma_map_single call in rtsx_transport.c.
Signed-off-by: Shaun Ren <shaun.ren@linux.com>
---
drivers/staging/rts5208/rtsx_transport.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/rts5208/rtsx_transport.c b/drivers/staging/rts5208/rtsx_transport.c
index c0fd8c5..00da7ab 100644
--- a/drivers/staging/rts5208/rtsx_transport.c
+++ b/drivers/staging/rts5208/rtsx_transport.c
@@ -664,7 +664,7 @@ static int rtsx_transfer_buf(struct rtsx_chip *chip, u8 card, void *buf,
return -ENXIO;
addr = dma_map_single(&rtsx->pci->dev, buf, len, dma_dir);
- if (!addr)
+ if (dma_mapping_error(&rtsx->pci->dev, addr))
return -ENOMEM;
if (card == SD_CARD)
--
2.7.0
next prev parent reply other threads:[~2016-02-09 1:32 UTC|newest]
Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-26 2:27 [PATCH 0/2] Staging: rts5208: Coding style and dma mapping fixes Shaun Ren
2016-01-26 2:27 ` Shaun Ren
2016-01-26 2:27 ` [PATCH 1/2] Staging: rts5208: Cleanup rtsx_transport.c Shaun Ren
2016-01-26 2:27 ` Shaun Ren
2016-02-08 4:03 ` Greg KH
2016-02-08 4:03 ` Greg KH
2016-01-26 2:27 ` [PATCH 2/2] Staging: rts5208: Add missing dma_mapping_error Shaun Ren
2016-01-26 2:27 ` Shaun Ren
2016-02-08 4:03 ` Greg KH
2016-02-08 4:03 ` Greg KH
2016-02-09 1:31 ` [PATCH v2 0/9] Staging: rts5208: Coding style and dma mapping fixes Shaun Ren
2016-02-09 1:31 ` Shaun Ren
2016-02-09 1:31 ` [PATCH v2 1/9] Staging: rts5208: rtsx_transport.c: Fix comment style warnings Shaun Ren
2016-02-09 1:31 ` Shaun Ren
2016-02-09 3:05 ` Joshua Clayton
2016-02-09 3:05 ` Joshua Clayton
2016-02-09 1:31 ` [PATCH v2 2/9] Staging: rts5208: rtsx_transport.c: Align to open parenthesis Shaun Ren
2016-02-09 1:31 ` Shaun Ren
2016-02-10 5:21 ` Sudip Mukherjee
2016-02-10 5:21 ` Sudip Mukherjee
2016-02-09 1:31 ` [PATCH v2 3/9] Staging: rts5208: rtsx_transport.c: Remove spaces after casts Shaun Ren
2016-02-09 1:31 ` Shaun Ren
2016-02-09 1:31 ` [PATCH v2 4/9] Staging: rts5208: rtsx_transport.c: Add spaces around - Shaun Ren
2016-02-09 1:31 ` Shaun Ren
2016-02-09 1:31 ` [PATCH v2 5/9] Staging: rts5208: rtsx_transport.c: Remove extra newlines Shaun Ren
2016-02-09 1:31 ` Shaun Ren
2016-02-09 1:31 ` [PATCH v2 6/9] Staging: rts5208: rtsx_transport.c: Fix label naming convention Shaun Ren
2016-02-09 1:31 ` Shaun Ren
2016-02-09 1:31 ` [PATCH v2 7/9] Staging: rts5208: rtsx_transport.c: Remove unnecessary parentheses Shaun Ren
2016-02-09 1:31 ` Shaun Ren
2016-02-10 5:26 ` Sudip Mukherjee
2016-02-10 5:26 ` Sudip Mukherjee
2016-02-10 18:38 ` Shaun Ren
2016-02-10 18:38 ` Shaun Ren
2016-02-09 1:31 ` [PATCH v2 8/9] Staging: rts5208: rtsx_transport.c: Fix comparisons to NULL Shaun Ren
2016-02-09 1:31 ` Shaun Ren
2016-02-09 1:31 ` Shaun Ren [this message]
2016-02-09 1:31 ` [PATCH v2 9/9] Staging: rts5208: Add missing dma_mapping_error Shaun Ren
2016-02-10 2:45 ` [PATCH v3 0/9] Staging: rts5208: Coding style and dma mapping fixes Shaun Ren
2016-02-10 2:45 ` Shaun Ren
2016-02-10 2:45 ` [PATCH v3 1/9] Staging: rts5208: rtsx_transport.c: Cleanup comments Shaun Ren
2016-02-10 2:45 ` Shaun Ren
2016-02-10 3:06 ` Joshua Clayton
2016-02-10 3:06 ` Joshua Clayton
2016-02-10 2:45 ` [PATCH v3 2/9] Staging: rts5208: rtsx_transport.c: Align to open parenthesis Shaun Ren
2016-02-10 2:45 ` Shaun Ren
2016-02-10 2:58 ` Joe Perches
2016-02-10 2:58 ` Joe Perches
2016-02-10 2:45 ` [PATCH v3 3/9] Staging: rts5208: rtsx_transport.c: Remove spaces after casts Shaun Ren
2016-02-10 2:45 ` Shaun Ren
2016-02-10 2:45 ` [PATCH v3 4/9] Staging: rts5208: rtsx_transport.c: Add spaces around - Shaun Ren
2016-02-10 2:45 ` Shaun Ren
2016-02-10 2:45 ` [PATCH v3 5/9] Staging: rts5208: rtsx_transport.c: Remove extra newlines Shaun Ren
2016-02-10 2:45 ` Shaun Ren
2016-02-10 2:45 ` [PATCH v3 6/9] Staging: rts5208: rtsx_transport.c: Fix label naming convention Shaun Ren
2016-02-10 2:45 ` Shaun Ren
2016-02-10 2:45 ` [PATCH v3 7/9] Staging: rts5208: rtsx_transport.c: Remove unnecessary parentheses Shaun Ren
2016-02-10 2:45 ` Shaun Ren
2016-02-10 2:45 ` [PATCH v3 8/9] Staging: rts5208: rtsx_transport.c: Fix comparisons to NULL Shaun Ren
2016-02-10 2:45 ` Shaun Ren
2016-02-10 2:45 ` [PATCH v3 9/9] Staging: rts5208: Add missing dma_mapping_error Shaun Ren
2016-02-10 2:45 ` Shaun Ren
2016-02-12 4:07 ` [PATCH v4 0/8] Staging: rts5208: Fix coding style Shaun Ren
2016-02-12 4:07 ` Shaun Ren
2016-02-12 4:07 ` [PATCH v4 1/8] Staging: rts5208: rtsx_transport.c: Cleanup comments Shaun Ren
2016-02-12 4:07 ` Shaun Ren
2016-02-12 4:07 ` [PATCH v4 2/8] Staging: rts5208: rtsx_transport.c: Align to open parenthesis Shaun Ren
2016-02-12 4:07 ` Shaun Ren
2016-02-12 4:32 ` Joe Perches
2016-02-12 4:32 ` Joe Perches
2016-02-12 6:56 ` [PATCH v5 " Shaun Ren
2016-02-12 6:56 ` Shaun Ren
2016-02-15 0:41 ` Greg KH
2016-02-15 0:41 ` Greg KH
2016-02-12 4:38 ` [PATCH v4 " kbuild test robot
2016-02-12 4:38 ` kbuild test robot
2016-02-12 4:07 ` [PATCH v4 3/8] Staging: rts5208: rtsx_transport.c: Remove spaces after casts Shaun Ren
2016-02-12 4:07 ` Shaun Ren
2016-02-12 4:07 ` [PATCH v4 4/8] Staging: rts5208: rtsx_transport.c: Add spaces around - Shaun Ren
2016-02-12 4:07 ` Shaun Ren
2016-02-12 4:07 ` [PATCH v4 5/8] Staging: rts5208: rtsx_transport.c: Remove extra newlines Shaun Ren
2016-02-12 4:07 ` Shaun Ren
2016-02-12 4:07 ` [PATCH v4 6/8] Staging: rts5208: rtsx_transport.c: Fix label naming convention Shaun Ren
2016-02-12 4:07 ` Shaun Ren
2016-02-12 4:07 ` [PATCH v4 7/8] Staging: rts5208: rtsx_transport.c: Remove unnecessary parentheses Shaun Ren
2016-02-12 4:07 ` Shaun Ren
2016-02-12 4:08 ` [PATCH v4 8/8] Staging: rts5208: rtsx_transport.c: Fix comparisons to NULL Shaun Ren
2016-02-12 4:08 ` Shaun Ren
2016-02-15 18:58 ` [PATCH v5 RESEND 0/8] Staging: rts5208: Fix coding style Shaun Ren
2016-02-15 18:58 ` Shaun Ren
2016-02-15 18:58 ` [PATCH v5 RESEND 1/8] Staging: rts5208: rtsx_transport.c: Cleanup comments Shaun Ren
2016-02-15 18:58 ` Shaun Ren
2016-02-15 18:58 ` [PATCH v5 RESEND 2/8] Staging: rts5208: rtsx_transport.c: Align to open parenthesis Shaun Ren
2016-02-15 18:58 ` Shaun Ren
2016-02-15 18:58 ` [PATCH v5 RESEND 3/8] Staging: rts5208: rtsx_transport.c: Remove spaces after casts Shaun Ren
2016-02-15 18:58 ` Shaun Ren
2016-02-15 18:58 ` [PATCH v5 RESEND 4/8] Staging: rts5208: rtsx_transport.c: Add spaces around - Shaun Ren
2016-02-15 18:58 ` Shaun Ren
2016-02-15 18:58 ` [PATCH v5 RESEND 5/8] Staging: rts5208: rtsx_transport.c: Remove extra newlines Shaun Ren
2016-02-15 18:58 ` Shaun Ren
2016-02-15 18:58 ` [PATCH v5 RESEND 6/8] Staging: rts5208: rtsx_transport.c: Fix label naming convention Shaun Ren
2016-02-15 18:58 ` Shaun Ren
2016-02-15 18:58 ` [PATCH v5 RESEND 7/8] Staging: rts5208: rtsx_transport.c: Remove unnecessary parentheses Shaun Ren
2016-02-15 18:58 ` Shaun Ren
2016-02-15 18:58 ` [PATCH v5 RESEND 8/8] Staging: rts5208: rtsx_transport.c: Fix comparisons to NULL Shaun Ren
2016-02-15 18:58 ` Shaun Ren
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