From 8c35ad20270de91d0f3bfe521daa3b7983ee8db7 Mon Sep 17 00:00:00 2001 From: Mimi Zohar Date: Fri, 16 Sep 2011 08:50:30 -0400 Subject: target: check hex2bin result Now that hex2bin does error checking, on error add debugging error msg. Changelog v1 (update): - fixed definition of 'ret' - hex2bin now returns an int Signed-off-by: Mimi Zohar Acked-by: Andy Shevchenko --- drivers/target/target_core_fabric_lib.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'drivers/target') diff --git a/drivers/target/target_core_fabric_lib.c b/drivers/target/target_core_fabric_lib.c index c4ea3a9a555b..39f021b855ef 100644 --- a/drivers/target/target_core_fabric_lib.c +++ b/drivers/target/target_core_fabric_lib.c @@ -63,6 +63,7 @@ u32 sas_get_pr_transport_id( unsigned char *buf) { unsigned char *ptr; + int ret; /* * Set PROTOCOL IDENTIFIER to 6h for SAS @@ -74,7 +75,9 @@ u32 sas_get_pr_transport_id( */ ptr = &se_nacl->initiatorname[4]; /* Skip over 'naa. prefix */ - hex2bin(&buf[4], ptr, 8); + ret = hex2bin(&buf[4], ptr, 8); + if (ret < 0) + pr_debug("sas transport_id: invalid hex string\n"); /* * The SAS Transport ID is a hardcoded 24-byte length @@ -156,8 +159,9 @@ u32 fc_get_pr_transport_id( unsigned char *buf) { unsigned char *ptr; - int i; + int i, ret; u32 off = 8; + /* * PROTOCOL IDENTIFIER is 0h for FCP-2 * @@ -174,7 +178,9 @@ u32 fc_get_pr_transport_id( i++; continue; } - hex2bin(&buf[off++], &ptr[i], 1); + ret = hex2bin(&buf[off++], &ptr[i], 1); + if (ret < 0) + pr_debug("fc transport_id: invalid hex string\n"); i += 2; } /* -- cgit v1.2.3-70-g09d2