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authorAsai Thambi SP <asamymuthupa@micron.com>2016-02-25 06:16:21 +0100
committerJens Axboe <axboe@fb.com>2016-03-03 17:08:43 +0100
commite35b94738a2f7caa12017f69ef385cb6b8028965 (patch)
treec73443a92e9471ccce9acd9a51483df0b4119986 /drivers/block/mtip32xx
parentmtip32xx: Fix broken service thread handling (diff)
downloadlinux-e35b94738a2f7caa12017f69ef385cb6b8028965.tar.xz
linux-e35b94738a2f7caa12017f69ef385cb6b8028965.zip
mtip32xx: Remove unwanted code from taskfile error handler
Remove setting and clearing MTIP_PF_EH_ACTIVE_BIT flag in mtip_handle_tfe() as they are redundant. Also avoid waking up service thread from mtip_handle_tfe() because it is already woken up in case of taskfile error. Signed-off-by: Selvan Mani <smani@micron.com> Signed-off-by: Rajesh Kumar Sambandam <rsambandam@micron.com> Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com> Cc: stable@vger.kernel.org Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/block/mtip32xx')
-rw-r--r--drivers/block/mtip32xx/mtip32xx.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index dc445b4fc00f..be9ad9ca4fe1 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -618,8 +618,6 @@ static void mtip_handle_tfe(struct driver_data *dd)
port = dd->port;
- set_bit(MTIP_PF_EH_ACTIVE_BIT, &port->flags);
-
if (test_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags)) {
cmd = mtip_cmd_from_tag(dd, MTIP_TAG_INTERNAL);
dbg_printk(MTIP_DRV_NAME " TFE for the internal command\n");
@@ -628,7 +626,7 @@ static void mtip_handle_tfe(struct driver_data *dd)
cmd->comp_func(port, MTIP_TAG_INTERNAL,
cmd, PORT_IRQ_TF_ERR);
}
- goto handle_tfe_exit;
+ return;
}
/* clear the tag accumulator */
@@ -771,11 +769,6 @@ static void mtip_handle_tfe(struct driver_data *dd)
}
}
print_tags(dd, "reissued (TFE)", tagaccum, cmd_cnt);
-
-handle_tfe_exit:
- /* clear eh_active */
- clear_bit(MTIP_PF_EH_ACTIVE_BIT, &port->flags);
- wake_up_interruptible(&port->svc_wait);
}
/*