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-rw-r--r--drivers/target/iscsi/iscsi_target_auth.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/target/iscsi/iscsi_target_auth.c b/drivers/target/iscsi/iscsi_target_auth.c
index beb3946..1cd6ce3 100644
--- a/drivers/target/iscsi/iscsi_target_auth.c
+++ b/drivers/target/iscsi/iscsi_target_auth.c
@@ -30,9 +30,11 @@
static int chap_string_to_hex(unsigned char *dst, unsigned char *src, int len)
{
- int j = DIV_ROUND_UP(len, 2);
+ int j = DIV_ROUND_UP(len, 2), rc;
- hex2bin(dst, src, j);
+ rc = hex2bin(dst, src, j);
+ if (rc < 0)
+ pr_debug("CHAP string contains non hex digit symbols\n");
dst[j] = '\0';
return j;
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