From: Liu Jing <liujing@cmss.chinamobile.com>
Date: Tue, 22 Oct 2024 01:25:26 +0000 (+0800)
Subject: tools/mm: free the allocated memory
X-Git-Tag: v6.13-rc1~99^2~109
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=3f1f947a322d2bdf0b16ff9158ce6be7cc23b974;p=linux-2.6-block.git

tools/mm: free the allocated memory

The comm_str memory needs to be freed if the search_pattern function call
fails in get_comm

[akpm@linux-foundation.org: fix whitespace]
Link: https://lkml.kernel.org/r/20241022012526.7597-1-liujing@cmss.chinamobile.com
Signed-off-by: Liu Jing <liujing@cmss.chinamobile.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/tools/mm/page_owner_sort.c b/tools/mm/page_owner_sort.c
index e1f264444342..880e36df0c11 100644
--- a/tools/mm/page_owner_sort.c
+++ b/tools/mm/page_owner_sort.c
@@ -377,6 +377,7 @@ static char *get_comm(char *buf)
 	if (errno != 0) {
 		if (debug_on)
 			fprintf(stderr, "wrong comm in follow buf:\n%s\n", buf);
+		free(comm_str);
 		return NULL;
 	}