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ARM: 8686/1: iwmmxt: Add missing __user annotations to sigframe accessors

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preserve_iwmmxt_context() and restore_iwmmxt_context() lack __user
accessors on their arguments pointing to the user signal frame.

There does not be appear to be a bug here, but this omission is
inconsistent with the crunch and vfp sigframe access functions.

This patch adds the annotations, for consistency.

Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Dave Martin 2017-06-30 18:56:09 +01:00 committed by Russell King
parent 0d70262a2d
commit 269583559c
1 changed files with 2 additions and 2 deletions
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4
arch/arm/kernel/signal.c
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@ -59,7 +59,7 @@ static int restore_crunch_context(struct crunch_sigframe __user *frame)
#ifdef CONFIG_IWMMXT
static int preserve_iwmmxt_context(struct iwmmxt_sigframe *frame)
static int preserve_iwmmxt_context(struct iwmmxt_sigframe __user *frame)
{
char kbuf[sizeof(*frame) + 8];
struct iwmmxt_sigframe *kframe;
@ -72,7 +72,7 @@ static int preserve_iwmmxt_context(struct iwmmxt_sigframe *frame)
return __copy_to_user(frame, kframe, sizeof(*frame));
}
static int restore_iwmmxt_context(struct iwmmxt_sigframe *frame)
static int restore_iwmmxt_context(struct iwmmxt_sigframe __user *frame)
{
char kbuf[sizeof(*frame) + 8];
struct iwmmxt_sigframe *kframe;