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| author | Stefan Weinhuber <wein@de.ibm.com> | 2008-05-15 16:52:36 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-05-15 16:52:40 +0200 |
| commit | f16f5843507ceaea315dae82b9fee29a65b72f24 (patch) | |
| tree | a691e01633177998054fdba2fc1b01f40d90cc3c /drivers/s390/block/dasd.c | |
| parent | 5cbbf16a0fab91662af8400b5ada658990932a87 (diff) | |
| download | linux-f16f5843507ceaea315dae82b9fee29a65b72f24.tar.gz linux-f16f5843507ceaea315dae82b9fee29a65b72f24.tar.bz2 linux-f16f5843507ceaea315dae82b9fee29a65b72f24.zip | |
[S390] dasd: fix timeout handling in interrupt handler
When the dasd_int_handler is called with an error code instead of
an irb, the associated request should be restarted. This handling
was missing from the -ETIMEDOUT case. In fact it should be done in
any case.
Signed-off-by: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/block/dasd.c')
| -rw-r--r-- | drivers/s390/block/dasd.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index ac6d4d3218b3..8ba3f135da22 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -925,6 +925,8 @@ static void dasd_handle_killed_request(struct ccw_device *cdev, struct dasd_ccw_req *cqr; struct dasd_device *device; + if (!intparm) + return; cqr = (struct dasd_ccw_req *) intparm; if (cqr->status != DASD_CQR_IN_IO) { MESSAGE(KERN_DEBUG, @@ -976,17 +978,16 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, if (IS_ERR(irb)) { switch (PTR_ERR(irb)) { case -EIO: - dasd_handle_killed_request(cdev, intparm); break; case -ETIMEDOUT: printk(KERN_WARNING"%s(%s): request timed out\n", __func__, cdev->dev.bus_id); - //FIXME - dasd uses own timeout interface... break; default: printk(KERN_WARNING"%s(%s): unknown error %ld\n", __func__, cdev->dev.bus_id, PTR_ERR(irb)); } + dasd_handle_killed_request(cdev, intparm); return; } |