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-rw-r--r--drivers/target/iscsi/iscsi_target_auth.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/target/iscsi/iscsi_target_auth.c b/drivers/target/iscsi/iscsi_target_auth.c
index 19b842c3e0b3..9430eea7c0d6 100644
--- a/drivers/target/iscsi/iscsi_target_auth.c
+++ b/drivers/target/iscsi/iscsi_target_auth.c
@@ -174,7 +174,6 @@ static int chap_server_compute_md5(
char *nr_out_ptr,
unsigned int *nr_out_len)
{
- char *endptr;
unsigned long id;
unsigned char id_as_uchar;
unsigned char digest[MD5_SIGNATURE_SIZE];
@@ -320,9 +319,14 @@ static int chap_server_compute_md5(
}
if (type == HEX)
- id = simple_strtoul(&identifier[2], &endptr, 0);
+ ret = kstrtoul(&identifier[2], 0, &id);
else
- id = simple_strtoul(identifier, &endptr, 0);
+ ret = kstrtoul(identifier, 0, &id);
+
+ if (ret < 0) {
+ pr_err("kstrtoul() failed for CHAP identifier: %d\n", ret);
+ goto out;
+ }
if (id > 255) {
pr_err("chap identifier: %lu greater than 255\n", id);
goto out;