linux-kernel - [PATCH] binfmt_flat: Delete two error messages for a failed memory allocation in decompress

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Message-ID: <f92aac79-b05e-321a-1a19-d38c7159ee9c@users.sourceforge.net>
Date:   Mon, 21 Aug 2017 08:54:05 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linux-fsdevel@...r.kernel.org,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Andy Whitcroft <apw@...onical.com>,
        Joe Perches <joe@...ches.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH] binfmt_flat: Delete two error messages for a failed memory
 allocation in decompress_exec()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Mon, 21 Aug 2017 08:43:50 +0200

Omit extra messages for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 fs/binfmt_flat.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index 604a176df0c2..ce6537c50ec1 100644
--- a/fs/binfmt_flat.c
+++ b/fs/binfmt_flat.c
@@ -192,13 +192,11 @@ static int decompress_exec(
 
 	memset(&strm, 0, sizeof(strm));
 	strm.workspace = kmalloc(zlib_inflate_workspacesize(), GFP_KERNEL);
-	if (strm.workspace == NULL) {
-		pr_debug("no memory for decompress workspace\n");
+	if (!strm.workspace)
 		return -ENOMEM;
-	}
+
 	buf = kmalloc(LBUFSIZE, GFP_KERNEL);
-	if (buf == NULL) {
-		pr_debug("no memory for read buffer\n");
+	if (!buf) {
 		retval = -ENOMEM;
 		goto out_free;
 	}
-- 
2.14.0