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[S390] dasd: fix return code handling 

Check return value of itcw_add_dcw() for error code and return it.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2011-05-23 10:24:26 +02:00 committed by Martin Schwidefsky
parent 7712f83aa9
commit 364c18d817
1 changed files with 1 additions and 2 deletions
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3
drivers/s390/block/dasd_eckd.c
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@ -2552,8 +2552,7 @@ static int prepare_itcw(struct itcw *itcw,
dcw = itcw_add_dcw(itcw, pfx_cmd, 0,
&pfxdata, sizeof(pfxdata), total_data_size);
return rc;
return IS_ERR(dcw) ? PTR_ERR(dcw) : 0;
}
static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track(