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| author | Marcin Nowakowski <marcin.nowakowski@imgtec.com> | 2016-09-22 15:38:31 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2016-09-29 18:59:49 +0200 |
| commit | db06068a4fd44a57b642b369d2a295b8448f6b65 (patch) | |
| tree | 92098a88b6b2874843f0638622ad27a8380d9ff0 | |
| parent | 6ca8ac773e97e2dfa5734ae435c40e672dd19ac4 (diff) | |
| download | linux-0-day-db06068a4fd44a57b642b369d2a295b8448f6b65.tar.gz linux-0-day-db06068a4fd44a57b642b369d2a295b8448f6b65.tar.xz | |
MIPS: fix uretprobe implementation
arch_uretprobe_hijack_return_addr should replace the return address for
a call with a trampoline address.
Signed-off-by: Marcin Nowakowski <marcin.nowakowski@imgtec.com>
Fixes: 40e084a506eb ('MIPS: Add uprobes support.')
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14298/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| -rw-r--r-- | arch/mips/kernel/uprobes.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mips/kernel/uprobes.c b/arch/mips/kernel/uprobes.c index 1149b30c9aebf..cd8a68948066f 100644 --- a/arch/mips/kernel/uprobes.c +++ b/arch/mips/kernel/uprobes.c @@ -257,7 +257,7 @@ unsigned long arch_uretprobe_hijack_return_addr( ra = regs->regs[31]; /* Replace the return address with the trampoline address */ - regs->regs[31] = ra; + regs->regs[31] = trampoline_vaddr; return ra; } |