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kprobes/x86: Use hlist_for_each_entry() instead of hlist_for_each_entry_safe()

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Use hlist_for_each_entry() in the first loop in the kretprobe
trampoline_handler() function, because it doesn't change the hlist.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/148637493309.19245.12546866092052500584.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Masami Hiramatsu 2017-02-06 18:55:43 +09:00 committed by Ingo Molnar
parent cd1ee3b1e3
commit b6263178b8
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kernel/kprobes/core.c
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@ -745,7 +745,7 @@ __visible __used void *trampoline_handler(struct pt_regs *regs)
* will be the real return address, and all the rest will
* point to kretprobe_trampoline.
*/
hlist_for_each_entry_safe(ri, tmp, head, hlist) {
hlist_for_each_entry(ri, head, hlist) {
if (ri->task != current)
/* another task is sharing our hash bucket */
continue;