]> asedeno.scripts.mit.edu Git - linux.git/commitdiff
[SCSI] Fix incorrect memset in bnx2fc_parse_fcp_rsp
authorAndi Kleen <andi@firstfloor.org>
Mon, 3 Sep 2012 18:50:30 +0000 (20:50 +0200)
committerJames Bottomley <JBottomley@Parallels.com>
Mon, 24 Sep 2012 08:11:00 +0000 (12:11 +0400)
gcc 4.8 warns because the memset only clears sizeof(char *) bytes, not
the whole buffer. Use the correct buffer size and clear the whole sense
buffer.

/backup/lsrc/git/linux-lto-2.6/drivers/scsi/bnx2fc/bnx2fc_io.c: In
function 'bnx2fc_parse_fcp_rsp':
/backup/lsrc/git/linux-lto-2.6/drivers/scsi/bnx2fc/bnx2fc_io.c:1810:41:
warning: argument to 'sizeof' in 'memset' call is the same expression as
the destination; did you mean to provide an explicit length?
[-Wsizeof-pointer-memaccess]
   memset(sc_cmd->sense_buffer, 0, sizeof(sc_cmd->sense_buffer));
                                         ^

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
drivers/scsi/bnx2fc/bnx2fc_io.c

index 73f231ccd45b2cf2ed8470cddd25680508250f01..8d4626c07a12f5e7a4f164b835f57e7f275acd2a 100644 (file)
@@ -1807,7 +1807,7 @@ static void bnx2fc_parse_fcp_rsp(struct bnx2fc_cmd *io_req,
                        fcp_sns_len = SCSI_SENSE_BUFFERSIZE;
                }
 
-               memset(sc_cmd->sense_buffer, 0, sizeof(sc_cmd->sense_buffer));
+               memset(sc_cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
                if (fcp_sns_len)
                        memcpy(sc_cmd->sense_buffer, rq_data, fcp_sns_len);