From: Sven Schnelle svens@stackframe.org
commit 45efd871bf0a47648f119d1b41467f70484de5bc 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
--- arch/parisc/include/asm/ptrace.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/parisc/include/asm/ptrace.h +++ b/arch/parisc/include/asm/ptrace.h @@ -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]; }
#endif