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authorJens Axboe <jens.axboe@oracle.com>2010-03-19 08:05:10 +0100
committerJens Axboe <jens.axboe@oracle.com>2010-03-19 08:05:10 +0100
commitb4b7a4ef097f288f724420b473dbf92a89c0ab7e (patch)
tree23ad8101e3e77c32a8d1e1b95a9c1cd7f7a475b7 /arch/arm/kernel/unwind.c
parente9ce335df51ff782035a15c261a3c0c9892a1767 (diff)
parenta3d3203e4bb40f253b1541e310dc0f9305be7c84 (diff)
downloadop-kernel-dev-b4b7a4ef097f288f724420b473dbf92a89c0ab7e.zip
op-kernel-dev-b4b7a4ef097f288f724420b473dbf92a89c0ab7e.tar.gz
Merge branch 'master' into for-linus
Conflicts: block/Kconfig Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'arch/arm/kernel/unwind.c')
-rw-r--r--arch/arm/kernel/unwind.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c
index 786ac2b..50292cd 100644
--- a/arch/arm/kernel/unwind.c
+++ b/arch/arm/kernel/unwind.c
@@ -359,7 +359,9 @@ void unwind_backtrace(struct pt_regs *regs, struct task_struct *tsk)
frame.fp = regs->ARM_fp;
frame.sp = regs->ARM_sp;
frame.lr = regs->ARM_lr;
- frame.pc = regs->ARM_pc;
+ /* PC might be corrupted, use LR in that case. */
+ frame.pc = kernel_text_address(regs->ARM_pc)
+ ? regs->ARM_pc : regs->ARM_lr;
} else if (tsk == current) {
frame.fp = (unsigned long)__builtin_frame_address(0);
frame.sp = current_sp;
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