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authorVasily Gorbik <gor@linux.ibm.com>2019-11-22 14:35:34 +0300
committerVasily Gorbik <gor@linux.ibm.com>2019-11-30 12:52:45 +0300
commit103b4cca60d2c8c51f1290cc984b7046ccb8b46d (patch)
tree505c6574f045baadc36ddc70154e3a433a45a2e9 /arch/s390/include/asm/stacktrace.h
parent7f28dad395243c5026d649136823bbc40029a828 (diff)
downloadlinux-103b4cca60d2c8c51f1290cc984b7046ccb8b46d.tar.xz
s390/unwind: unify task is current checks
Avoid mixture of task == NULL and task == current meaning the same thing and simply always initialize task with current in unwind_start. Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/stacktrace.h')
-rw-r--r--arch/s390/include/asm/stacktrace.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/include/asm/stacktrace.h b/arch/s390/include/asm/stacktrace.h
index fee40212af11..0ae4bbf7779c 100644
--- a/arch/s390/include/asm/stacktrace.h
+++ b/arch/s390/include/asm/stacktrace.h
@@ -38,7 +38,7 @@ static inline unsigned long get_stack_pointer(struct task_struct *task,
{
if (regs)
return (unsigned long) kernel_stack_pointer(regs);
- if (!task || task == current)
+ if (task == current)
return current_stack_pointer();
return (unsigned long) task->thread.ksp;
}