[SCSI] advansys: Fix bug in AdvLoadMicrocode
buf[i] can be up to 0xfd, so doubling it and assigning the result to an
unsigned char truncates the value. Just use an unsigned int instead;
it's only a temporary.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Cc: Stable Tree <stable@kernel.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index 3c2d688..8591585 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -6439,7 +6439,7 @@
i += 2;
len += 2;
} else {
- unsigned char off = buf[i] * 2;
+ unsigned int off = buf[i] * 2;
unsigned short word = (buf[off + 1] << 8) | buf[off];
AdvWriteWordAutoIncLram(iop_base, word);
len += 2;