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parisc: regs_return_value() should return gpr28

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commit 45efd871bf upstream.

While working on kretprobes for PA-RISC I was wondering while the
kprobes sanity test always fails on kretprobes. This is caused by
returning gpr20 instead of gpr28.

Signed-off-by: Sven Schnelle <svens@stackframe.org>
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # 4.14+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sven Schnelle
2019-04-04 18:16:03 +02:00
committed by Greg Kroah-Hartman
parent 41cf8111f3
commit 53bb8444ea
1 changed files with 1 additions and 1 deletions
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2
arch/parisc/include/asm/ptrace.h
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@@ -22,7 +22,7 @@ unsigned long profile_pc(struct pt_regs *);
static inline unsigned long regs_return_value(struct pt_regs *regs)
{
return regs->gr[20];
return regs->gr[28];
}
static inline void instruction_pointer_set(struct pt_regs *regs,