From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave.Martin@arm.com (Dave Martin) Date: Wed, 21 Jun 2017 16:46:02 +0100 Subject: [RFC PATCH 1/2] ARM: iwmmxt: Add missing __user annotations to sigframe accessors In-Reply-To: <1498059983-13438-1-git-send-email-Dave.Martin@arm.com> References: <1498059983-13438-1-git-send-email-Dave.Martin@arm.com> Message-ID: <1498059983-13438-2-git-send-email-Dave.Martin@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- arch/arm/kernel/signal.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 7b8f214..8f06480 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -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; -- 2.1.4