The patch titled
drivers/video/via/viafbdev.c: correct code taking the size of a pointer
has been added to the -mm tree. Its filename is
drivers-video-via-viafbdevc-correct-code-taking-the-size-of-a-pointer.patch
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------------------------------------------------------
Subject: drivers/video/via/viafbdev.c: correct code taking the size of a pointer
From: Julia Lawall <julia@xxxxxxx>
sizeof(viafb_gamma_table) is just the size of the pointer. This is changed
to the size used when calling kmalloc to initialize the pointer.
A simplified version of the semantic patch that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression *x;
expression f;
type T;
@@
*f(...,(T)x,...)
// </smpl>
Signed-off-by: Julia Lawall <julia@xxxxxxx>
Cc: Florian Tobias Schandinat <FlorianSchandinat@xxxxxx>
Cc: Joseph Chan <JosephChan@xxxxxxxxxx>
Cc: Scott Fang <ScottFang@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/via/viafbdev.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN drivers/video/via/viafbdev.c~drivers-video-via-viafbdevc-correct-code-taking-the-size-of-a-pointer drivers/video/via/viafbdev.c
--- a/drivers/video/via/viafbdev.c~drivers-video-via-viafbdevc-correct-code-taking-the-size-of-a-pointer
+++ a/drivers/video/via/viafbdev.c
@@ -680,7 +680,7 @@ static int viafb_ioctl(struct fb_info *i
if (!viafb_gamma_table)
return -ENOMEM;
if (copy_from_user(viafb_gamma_table, argp,
- sizeof(viafb_gamma_table))) {
+ 256 * sizeof(u32))) {
kfree(viafb_gamma_table);
return -EFAULT;
}
@@ -694,7 +694,7 @@ static int viafb_ioctl(struct fb_info *i
return -ENOMEM;
viafb_get_gamma_table(viafb_gamma_table);
if (copy_to_user(argp, viafb_gamma_table,
- sizeof(viafb_gamma_table))) {
+ 256 * sizeof(u32))) {
kfree(viafb_gamma_table);
return -EFAULT;
}
_
Patches currently in -mm which might be from julia@xxxxxxx are
origin.patch
drivers-video-via-viafbdevc-correct-code-taking-the-size-of-a-pointer.patch
linux-next.patch
drivers-media-video-move-dereference-after-null-test.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-block-dac960c-use-dac960_v2_controller.patch
drivers-usb-wusbcore-introduce-missing-usb_free_urb.patch
drivers-edac-introduce-missing-kfree.patch
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