projects / thirdparty / kernel / stable-queue.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c573d6f GKH |
1 | From 45efd871bf0a47648f119d1b41467f70484de5bc Mon Sep 17 00:00:00 2001 |
| 2 | From: Sven Schnelle <svens@stackframe.org> | |
| 3 | Date: Thu, 4 Apr 2019 18:16:03 +0200 | |
| 4 | Subject: parisc: regs_return_value() should return gpr28 | |
| 5 | ||
| 6 | From: Sven Schnelle <svens@stackframe.org> | |
| 7 | ||
| 8 | commit 45efd871bf0a47648f119d1b41467f70484de5bc upstream. | |
| 9 | ||
| 10 | While working on kretprobes for PA-RISC I was wondering while the | |
| 11 | kprobes sanity test always fails on kretprobes. This is caused by | |
| 12 | returning gpr20 instead of gpr28. | |
| 13 | ||
| 14 | Signed-off-by: Sven Schnelle <svens@stackframe.org> | |
| 15 | Signed-off-by: Helge Deller <deller@gmx.de> | |
| 16 | Cc: stable@vger.kernel.org # 4.14+ | |
| 17 | Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | |
| 18 | ||
| 19 | --- | |
| 20 | arch/parisc/include/asm/ptrace.h | 2 +- | |
| 21 | 1 file changed, 1 insertion(+), 1 deletion(-) | |
| 22 | ||
| 23 | --- a/arch/parisc/include/asm/ptrace.h | |
| 24 | +++ b/arch/parisc/include/asm/ptrace.h | |
| 25 | @@ -22,7 +22,7 @@ unsigned long profile_pc(struct pt_regs | |
| 26 | ||
| 27 | static inline unsigned long regs_return_value(struct pt_regs *regs) | |
| 28 | { | |
| 29 | - return regs->gr[20]; | |
| 30 | + return regs->gr[28]; | |
| 31 | } | |
| 32 | ||
| 33 | static inline void instruction_pointer_set(struct pt_regs *regs, |