The patch titled
arch/arm/plat-pxa/dma.c: correct NULL test
has been added to the -mm tree. Its filename is
arch-arm-plat-pxa-dmac-correct-null-test.patch
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------------------------------------------------------
Subject: arch/arm/plat-pxa/dma.c: correct NULL test
From: Julia Lawall <julia@xxxxxxx>
Test the just-allocated value for NULL rather than some other value.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
expression x,y;
statement S;
@@
x = \(kmalloc\|kcalloc\|kzalloc\)(...);
(
if ((x) == NULL) S
|
if (
- y
+ x
== NULL)
S
)
// </smpl>
Signed-off-by: Julia Lawall <julia@xxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
Cc: Eric Miao <eric.y.miao@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/arm/plat-pxa/dma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN arch/arm/plat-pxa/dma.c~arch-arm-plat-pxa-dmac-correct-null-test arch/arm/plat-pxa/dma.c
--- a/arch/arm/plat-pxa/dma.c~arch-arm-plat-pxa-dmac-correct-null-test
+++ a/arch/arm/plat-pxa/dma.c
@@ -244,7 +244,7 @@ static void pxa_dma_init_debugfs(void)
dbgfs_chan = kmalloc(sizeof(*dbgfs_state) * num_dma_channels,
GFP_KERNEL);
- if (!dbgfs_state)
+ if (!dbgfs_chan)
goto err_alloc;
chandir = debugfs_create_dir("channels", dbgfs_root);
_
Patches currently in -mm which might be from julia@xxxxxxx are
origin.patch
linux-next.patch
drivers-scsi-sesc-eliminate-double-free.patch
kernel-credc-use-kmem_cache_free.patch
drivers-media-video-move-dereference-after-null-test.patch
arch-mips-alchemy-correct-code-taking-the-size-of-a-pointer.patch
drivers-isdn-eliminate-duplicated-test.patch
drivers-scsi-libsas-use-sam_good.patch
drivers-scsi-remove-unnecessary-null-test.patch
drivers-message-move-dereference-after-null-test.patch
drivers-edac-introduce-missing-kfree.patch
arch-arm-plat-pxa-dmac-correct-null-test.patch
drivers-block-drbd-drbd_receiverc-correct-null-test.patch
drivers-gpu-drm-nouveau-nouveau_grctxc-correct-null-test.patch
drivers-net-can-mcp251xc-correct-null-test.patch
drivers-staging-tm6000-tm6000-videoc-correct-null-test.patch
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