From 8fc6c0657bf852766f08d389c5c3378a032b3de7 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 10 Jan 2017 09:41:46 +0100 Subject: [PATCH] libata: call ->scsi_done from ata_scsi_simulate We always need to call ->scsi_done after we've finished emulating a command, so do it in a single place at the end of ata_scsi_simulate. Signed-off-by: Christoph Hellwig Signed-off-by: Tejun Heo --- drivers/ata/libata-scsi.c | 22 +++++++--------------- 1 file changed, 7 insertions(+), 15 deletions(-) diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 28e2530b9cd3..6078bc28b325 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -484,13 +484,6 @@ struct device_attribute *ata_common_sdev_attrs[] = { }; EXPORT_SYMBOL_GPL(ata_common_sdev_attrs); -static void ata_scsi_invalid_field(struct ata_device *dev, - struct scsi_cmnd *cmd, u16 field) -{ - ata_scsi_set_invalid_field(dev, cmd, field, 0xff); - cmd->scsi_done(cmd); -} - /** * ata_std_bios_param - generic bios head/sector/cylinder calculator used by sd. * @sdev: SCSI device for which BIOS geometry is to be determined @@ -2139,7 +2132,6 @@ static void ata_scsi_rbuf_fill(struct ata_scsi_args *args, if (rc == 0) cmd->result = SAM_STAT_GOOD; - cmd->scsi_done(cmd); } /** @@ -4360,7 +4352,7 @@ void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd) switch(scsicmd[0]) { case INQUIRY: if (scsicmd[1] & 2) /* is CmdDt set? */ - ata_scsi_invalid_field(dev, cmd, 1); + ata_scsi_set_invalid_field(dev, cmd, 1, 0xff); else if ((scsicmd[1] & 1) == 0) /* is EVPD clear? */ ata_scsi_rbuf_fill(&args, ata_scsiop_inq_std); else switch (scsicmd[2]) { @@ -4392,7 +4384,7 @@ void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd) } /* Fallthrough */ default: - ata_scsi_invalid_field(dev, cmd, 2); + ata_scsi_set_invalid_field(dev, cmd, 2, 0xff); break; } break; @@ -4410,7 +4402,7 @@ void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd) if ((scsicmd[1] & 0x1f) == SAI_READ_CAPACITY_16) ata_scsi_rbuf_fill(&args, ata_scsiop_read_cap); else - ata_scsi_invalid_field(dev, cmd, 1); + ata_scsi_set_invalid_field(dev, cmd, 1, 0xff); break; case REPORT_LUNS: @@ -4420,7 +4412,6 @@ void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd) case REQUEST_SENSE: ata_scsi_set_sense(dev, cmd, 0, 0, 0); cmd->result = (DRIVER_SENSE << 24); - cmd->scsi_done(cmd); break; /* if we reach this, then writeback caching is disabled, @@ -4442,23 +4433,24 @@ void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd) if ((tmp8 == 0x4) && (!scsicmd[3]) && (!scsicmd[4])) ata_scsi_rbuf_fill(&args, ata_scsiop_noop); else - ata_scsi_invalid_field(dev, cmd, 1); + ata_scsi_set_invalid_field(dev, cmd, 1, 0xff); break; case MAINTENANCE_IN: if (scsicmd[1] == MI_REPORT_SUPPORTED_OPERATION_CODES) ata_scsi_rbuf_fill(&args, ata_scsiop_maint_in); else - ata_scsi_invalid_field(dev, cmd, 1); + ata_scsi_set_invalid_field(dev, cmd, 1, 0xff); break; /* all other commands */ default: ata_scsi_set_sense(dev, cmd, ILLEGAL_REQUEST, 0x20, 0x0); /* "Invalid command operation code" */ - cmd->scsi_done(cmd); break; } + + cmd->scsi_done(cmd); } int ata_scsi_add_hosts(struct ata_host *host, struct scsi_host_template *sht)