X-Git-Url: http://git.agner.ch/gitweb/?p=linux-drm-fsl-dcu.git;a=blobdiff_plain;f=arch%2Farm%2Fkernel%2Fstacktrace.c;h=af4e8c8a5422c4383396f7f4b3a836a67426b7de;hp=00f79e59985bccaf54bd3b1c8f2e292f49014a47;hb=96b7fe0119b932ad25451d2b6357e727bbe6a309;hpb=efc96737bd82b508794d2b28061a12af4a3f7766

diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c
index 00f79e59985b..af4e8c8a5422 100644
--- a/arch/arm/kernel/stacktrace.c
+++ b/arch/arm/kernel/stacktrace.c
@@ -31,7 +31,7 @@ int notrace unwind_frame(struct stackframe *frame)
 	high = ALIGN(low, THREAD_SIZE);
 
 	/* check current frame pointer is within bounds */
-	if (fp < (low + 12) || fp + 4 >= high)
+	if (fp < low + 12 || fp > high - 4)
 		return -EINVAL;
 
 	/* restore the registers from the stack frame */