Unverified Commit 074c71be authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!14377 ftrace: Fix regression with module command in stack_trace_filter 

Merge Pull Request from: @ci-robot 
 
PR sync from: Luo Gengkun <luogengkun2@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/HJCFA77AMTJOIJISK6K5JWEUQG4V4MBS/ 
 
https://gitee.com/src-openeuler/kernel/issues/IBEAMJ 
 
Link:https://gitee.com/openeuler/kernel/pulls/14377

 

Reviewed-by: default avatarYe Weihua <yeweihua4@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents 5672a2cb d0c7f1fc

kernel/trace/ftrace.c

+3 −0
Original line number Diff line number Diff line
@@ -4562,6 +4562,9 @@ ftrace_mod_callback(struct trace_array *tr, struct ftrace_hash *hash, 
	char *func;

	int ret;



	if (!tr)

		return -ENODEV;



	/* match_records() modifies func, and we need the original */

	func = kstrdup(func_orig, GFP_KERNEL);

	if (!func)