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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-24 17:30:53 +07:00
ide-floppy/ide_floppy_format_unit: use local buffer
Pass the buffer into ide_floppy_create_format_unit_cmd instead of using pc->buf. There should be no functional change resulting from this patch. Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
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parent
802e663427
commit
5122e5174f
@ -93,24 +93,25 @@ static int ide_floppy_get_format_capacities(ide_drive_t *drive,
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return 0;
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}
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static void ide_floppy_create_format_unit_cmd(struct ide_atapi_pc *pc, int b,
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int l, int flags)
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static void ide_floppy_create_format_unit_cmd(struct ide_atapi_pc *pc,
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u8 *buf, int b, int l,
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int flags)
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{
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ide_init_pc(pc);
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pc->c[0] = GPCMD_FORMAT_UNIT;
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pc->c[1] = 0x17;
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memset(pc->buf, 0, 12);
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pc->buf[1] = 0xA2;
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memset(buf, 0, 12);
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buf[1] = 0xA2;
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/* Default format list header, u8 1: FOV/DCRT/IMM bits set */
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if (flags & 1) /* Verify bit on... */
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pc->buf[1] ^= 0x20; /* ... turn off DCRT bit */
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pc->buf[3] = 8;
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buf[1] ^= 0x20; /* ... turn off DCRT bit */
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buf[3] = 8;
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put_unaligned(cpu_to_be32(b), (unsigned int *)(&pc->buf[4]));
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put_unaligned(cpu_to_be32(l), (unsigned int *)(&pc->buf[8]));
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pc->buf_size = 12;
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put_unaligned(cpu_to_be32(b), (unsigned int *)(&buf[4]));
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put_unaligned(cpu_to_be32(l), (unsigned int *)(&buf[8]));
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pc->req_xfer = 12;
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pc->flags |= PC_FLAG_WRITING;
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}
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@ -137,6 +138,7 @@ static int ide_floppy_format_unit(ide_drive_t *drive, struct ide_atapi_pc *pc,
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int __user *arg)
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{
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struct ide_disk_obj *floppy = drive->driver_data;
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u8 buf[12];
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int blocks, length, flags, err = 0;
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if (floppy->openers > 1) {
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@ -170,9 +172,9 @@ static int ide_floppy_format_unit(ide_drive_t *drive, struct ide_atapi_pc *pc,
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}
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ide_floppy_get_sfrp_bit(drive, pc);
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ide_floppy_create_format_unit_cmd(pc, blocks, length, flags);
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ide_floppy_create_format_unit_cmd(pc, buf, blocks, length, flags);
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if (ide_queue_pc_tail(drive, floppy->disk, pc, pc->buf, pc->req_xfer))
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if (ide_queue_pc_tail(drive, floppy->disk, pc, buf, pc->req_xfer))
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err = -EIO;
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out:
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