linux-kernel - [PATCH rdma-next 2/4] gcov: Use proper duplication routine for const pointer

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Date:   Wed,  2 Sep 2020 11:55:11 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Peter Oberparleiter <oberpar@...ux.ibm.com>
Cc:     Leon Romanovsky <leonro@...dia.com>, linux-kernel@...r.kernel.org,
        Colin Ian King <colin.king@...onical.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH rdma-next 2/4] gcov: Use proper duplication routine for const pointer

From: Leon Romanovsky <leonro@...dia.com>

The filename is a const pointer, so use the proper string duplication
routine that takes into account const identifier.

Cc: Colin Ian King <colin.king@...onical.com>
Signed-off-by: Leon Romanovsky <leonro@...dia.com>
---
 kernel/gcov/gcc_4_7.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/gcov/gcc_4_7.c b/kernel/gcov/gcc_4_7.c
index 6d706c5eed5c..318211deb903 100644
--- a/kernel/gcov/gcc_4_7.c
+++ b/kernel/gcov/gcc_4_7.c
@@ -283,7 +283,7 @@ struct gcov_info *gcov_info_dup(struct gcov_info *info)
 		dup->merge[fi_idx] = info->merge[fi_idx];
 	dup->n_functions = info->n_functions;

-	dup->filename = kstrdup(info->filename, GFP_KERNEL);
+	dup->filename = kstrdup_const(info->filename, GFP_KERNEL);
 	if (!dup->filename)
 		goto err_free;

@@ -359,7 +359,7 @@ void gcov_info_free(struct gcov_info *info)

 free_info:
 	kfree(info->functions);
-	kfree(info->filename);
+	kfree_const(info->filename);
 	kfree(info);
 }

--
2.26.2