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authorKai Makisara <Kai.Makisara@kolumbus.fi>2008-07-11 15:06:40 +0300
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-07-26 15:14:47 -0400
commit786231af0a4ac6d78cef51fa7e9c3dd63f016195 (patch)
tree45dc2f15f61253c74ac8e9e58f541926f17a2301
parent626dcb1ee39aa1010c27df31970ff0ecfb287208 (diff)
[SCSI] st: Remove bogus memset
Mike Christie noticed a bogus memset. It can be removed as dead code since the number of bytes in the driver buffer in fixed block mode is always a multiple of the tape block size. Signed-off-by: Kai Mäkisara <Kai.Makisara@kolumbus.fi> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
-rw-r--r--drivers/scsi/st.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 41b1f81b165..c2bb53e3d94 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -631,7 +631,7 @@ static int cross_eof(struct scsi_tape * STp, int forward)
/* Flush the write buffer (never need to write if variable blocksize). */
static int st_flush_write_buffer(struct scsi_tape * STp)
{
- int offset, transfer, blks;
+ int transfer, blks;
int result;
unsigned char cmd[MAX_COMMAND_SIZE];
struct st_request *SRpnt;
@@ -644,14 +644,10 @@ static int st_flush_write_buffer(struct scsi_tape * STp)
result = 0;
if (STp->dirty == 1) {
- offset = (STp->buffer)->buffer_bytes;
- transfer = ((offset + STp->block_size - 1) /
- STp->block_size) * STp->block_size;
+ transfer = STp->buffer->buffer_bytes;
DEBC(printk(ST_DEB_MSG "%s: Flushing %d bytes.\n",
tape_name(STp), transfer));
- memset((STp->buffer)->b_data + offset, 0, transfer - offset);
-
memset(cmd, 0, MAX_COMMAND_SIZE);
cmd[0] = WRITE_6;
cmd[1] = 1;