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[SCSI] st: Remove bogus memset

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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>
This commit is contained in:
Kai Makisara 2008-07-11 15:06:40 +03:00 committed by James Bottomley
parent 626dcb1ee3
commit 786231af0a
1 changed files with 2 additions and 6 deletions
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8
drivers/scsi/st.c
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@ -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;