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authorIngo Molnar <mingo@elte.hu>2008-11-26 08:22:50 +0100
committerIngo Molnar <mingo@elte.hu>2008-11-26 08:22:50 +0100
commit7fbb8759eff9a348efa5f352ffaa51c364837c4b (patch)
treed40cd3f47b9f667ba94d9613270132080dcb6a1a /arch/mips/kernel/unaligned.c
parent6003ab0bad4cc56f3c4fadf62a0d23a967b9c53b (diff)
parent13d428afc007fcfcd6deeb215618f54cf9c0cae6 (diff)
Merge commit 'v2.6.28-rc6' into core/debug
Diffstat (limited to 'arch/mips/kernel/unaligned.c')
-rw-r--r--arch/mips/kernel/unaligned.c20
1 files changed, 4 insertions, 16 deletions
diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c
index c327b21bca8..bf4c4a979ab 100644
--- a/arch/mips/kernel/unaligned.c
+++ b/arch/mips/kernel/unaligned.c
@@ -499,22 +499,10 @@ sigill:
asmlinkage void do_ade(struct pt_regs *regs)
{
- extern int do_dsemulret(struct pt_regs *);
unsigned int __user *pc;
mm_segment_t seg;
/*
- * Address errors may be deliberately induced by the FPU emulator to
- * retake control of the CPU after executing the instruction in the
- * delay slot of an emulated branch.
- */
- /* Terminate if exception was recognized as a delay slot return */
- if (do_dsemulret(regs))
- return;
-
- /* Otherwise handle as normal */
-
- /*
* Did we catch a fault trying to load an instruction?
* Or are we running in MIPS16 mode?
*/
@@ -560,12 +548,12 @@ static int __init debugfs_unaligned(void)
return -ENODEV;
d = debugfs_create_u32("unaligned_instructions", S_IRUGO,
mips_debugfs_dir, &unaligned_instructions);
- if (IS_ERR(d))
- return PTR_ERR(d);
+ if (!d)
+ return -ENOMEM;
d = debugfs_create_u32("unaligned_action", S_IRUGO | S_IWUSR,
mips_debugfs_dir, &unaligned_action);
- if (IS_ERR(d))
- return PTR_ERR(d);
+ if (!d)
+ return -ENOMEM;
return 0;
}
__initcall(debugfs_unaligned);