From: Ethan Carter Edwards <ethan@ethancedwards.com>
Date: Mon, 23 Dec 2024 02:23:56 +0000 (-0500)
Subject: fs: erofs: xattr.c change kzalloc to kcalloc
X-Git-Tag: v6.14-rc1~86^2~10
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a78c5c2269e39544fab4140105f55fca4502e915;p=thirdparty%2Flinux.git

fs: erofs: xattr.c change kzalloc to kcalloc

Refactor xattr.c to use kcalloc instead of kzalloc when multiplying
allocation size by count. This refactor prevents unintentional
memory overflows. Discovered by checkpatch.pl.

Signed-off-by: Ethan Carter Edwards <ethan@ethancedwards.com>
Link: https://lore.kernel.org/r/i3CLJhMELKzBJr3DaRyv-hP_4m-3Twx0sgBWXW6naZlMtHrIeWr93xOFshX8qZHDrJeSjHMTiUOh8JmBZ9v0AB-S1lIYM_d-vasSRlsF_s4=@ethancedwards.com
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
---

diff --git a/fs/erofs/xattr.c b/fs/erofs/xattr.c
index a90d7d6497390..7940241d9355d 100644
--- a/fs/erofs/xattr.c
+++ b/fs/erofs/xattr.c
@@ -478,7 +478,7 @@ int erofs_xattr_prefixes_init(struct super_block *sb)
 	if (!sbi->xattr_prefix_count)
 		return 0;
 
-	pfs = kzalloc(sbi->xattr_prefix_count * sizeof(*pfs), GFP_KERNEL);
+	pfs = kcalloc(sbi->xattr_prefix_count, sizeof(*pfs), GFP_KERNEL);
 	if (!pfs)
 		return -ENOMEM;