summaryrefslogtreecommitdiffstats
path: root/lib
diff options
context:
space:
mode:
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2017-09-08 16:15:28 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-09-08 18:26:49 -0700
commit9888a588ea96ba2804f955bbc2667346719da887 (patch)
tree0d8596815377b7f283e7c361e3a9018b99ee3856 /lib
parentf0f1a45f95e85a8ac28c4d62bf2a84db0799efab (diff)
lib/hexdump.c: return -EINVAL in case of error in hex2bin()
In some cases caller would like to use error code directly without shadowing. -EINVAL feels a rightful code to return in case of error in hex2bin(). Link: http://lkml.kernel.org/r/20170731135510.68023-1-andriy.shevchenko@linux.intel.com Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/hexdump.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/hexdump.c b/lib/hexdump.c
index 992457b1284c..81b70ed37209 100644
--- a/lib/hexdump.c
+++ b/lib/hexdump.c
@@ -9,6 +9,7 @@
#include <linux/types.h>
#include <linux/ctype.h>
+#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/export.h>
#include <asm/unaligned.h>
@@ -42,7 +43,7 @@ EXPORT_SYMBOL(hex_to_bin);
* @src: ascii hexadecimal string
* @count: result length
*
- * Return 0 on success, -1 in case of bad input.
+ * Return 0 on success, -EINVAL in case of bad input.
*/
int hex2bin(u8 *dst, const char *src, size_t count)
{
@@ -51,7 +52,7 @@ int hex2bin(u8 *dst, const char *src, size_t count)
int lo = hex_to_bin(*src++);
if ((hi < 0) || (lo < 0))
- return -1;
+ return -EINVAL;
*dst++ = (hi << 4) | lo;
}