Commit-ID: e10abb2f770eeb673d23c19980216b0fb62b4f50
Gitweb: http://git.kernel.org/tip/e10abb2f770eeb673d23c19980216b0fb62b4f50
Author: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
AuthorDate: Tue, 25 Nov 2014 20:21:14 +0300
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Mon, 8 Dec 2014 12:06:59 +0100
x86_64/traps: Fix always true condition
We should be checking IS_ERR() here. PTR_ERR() is always true.
Fixes: fe3d197f8431 ('x86, mpx: On-demand kernel allocation of
bounds tables')
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/20141125172114.GA24535@mwanda
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/kernel/traps.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 651d5d4..f73fc4a 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -323,7 +323,7 @@ dotraplinkage void do_bounds(struct pt_regs *regs, long error_code)
break; /* Success, it was handled */
case 1: /* Bound violation. */
info = mpx_generate_siginfo(regs, xsave_buf);
- if (PTR_ERR(info)) {
+ if (IS_ERR(info)) {
/*
* We failed to decode the MPX instruction. Act as if
* the exception was not caused by MPX.
--
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