binfmt_flat: delete two error messages for a failed memory allocation in decompress_exec()

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

This issue was detected by using the Coccinelle software.

Link: http://lkml.kernel.org/r/f92aac79-b05e-321a-1a19-d38c7159ee9c@users.sourceforge.net
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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;
 	}