[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>
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@ -631,7 +631,7 @@ static int cross_eof(struct scsi_tape * STp, int forward)
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/* Flush the write buffer (never need to write if variable blocksize). */
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/* Flush the write buffer (never need to write if variable blocksize). */
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static int st_flush_write_buffer(struct scsi_tape * STp)
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static int st_flush_write_buffer(struct scsi_tape * STp)
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{
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{
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int offset, transfer, blks;
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int transfer, blks;
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int result;
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int result;
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unsigned char cmd[MAX_COMMAND_SIZE];
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unsigned char cmd[MAX_COMMAND_SIZE];
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struct st_request *SRpnt;
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struct st_request *SRpnt;
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@ -644,14 +644,10 @@ static int st_flush_write_buffer(struct scsi_tape * STp)
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result = 0;
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result = 0;
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if (STp->dirty == 1) {
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if (STp->dirty == 1) {
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offset = (STp->buffer)->buffer_bytes;
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transfer = STp->buffer->buffer_bytes;
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transfer = ((offset + STp->block_size - 1) /
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STp->block_size) * STp->block_size;
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DEBC(printk(ST_DEB_MSG "%s: Flushing %d bytes.\n",
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DEBC(printk(ST_DEB_MSG "%s: Flushing %d bytes.\n",
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tape_name(STp), transfer));
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tape_name(STp), transfer));
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memset((STp->buffer)->b_data + offset, 0, transfer - offset);
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memset(cmd, 0, MAX_COMMAND_SIZE);
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memset(cmd, 0, MAX_COMMAND_SIZE);
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cmd[0] = WRITE_6;
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cmd[0] = WRITE_6;
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cmd[1] = 1;
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cmd[1] = 1;
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