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| author | Stefan Haberland <sth@linux.vnet.ibm.com> | 2018-02-19 12:24:39 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2018-02-27 08:05:28 +0100 |
| commit | a1fc8181eb7858400d39bff42e9d31a2e8b80c83 (patch) | |
| tree | adcd24d5d95849fc00677a91730486fc11960c82 /drivers/s390 | |
| parent | 5e725c570eaa405eb5b1a557e7c6831ac56c3088 (diff) | |
| download | linux-stable-a1fc8181eb7858400d39bff42e9d31a2e8b80c83.tar.gz linux-stable-a1fc8181eb7858400d39bff42e9d31a2e8b80c83.tar.bz2 linux-stable-a1fc8181eb7858400d39bff42e9d31a2e8b80c83.zip | |
s390/dasd: remove unneeded sanity check
Reported by smatch that the usage of cqr->block is inconsistent.
The sanity check is not needed because _dasd_requeue_request already
checks for a valid cqr->block pointer and all referenced ERP requests
have a valid cqr->block pointer as well since it is copied during ERP
process.
Signed-off-by: Stefan Haberland <sth@linux.vnet.ibm.com>
Reviewed-by: Jan Hoeppner <hoeppner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/block/dasd.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index ecef8e73d40b..c89c26e40165 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -3918,8 +3918,13 @@ static int dasd_generic_requeue_all_requests(struct dasd_device *device) cqr = refers; } - if (cqr->block) - list_del_init(&cqr->blocklist); + /* + * _dasd_requeue_request already checked for a valid + * blockdevice, no need to check again + * all erp requests (cqr->refers) have a cqr->block + * pointer copy from the original cqr + */ + list_del_init(&cqr->blocklist); cqr->block->base->discipline->free_cp( cqr, (struct request *) cqr->callback_data); } |