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soc/qman: Check ioremap return value

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Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
This commit is contained in:
Madalin Bucur 2016-11-16 16:40:14 +02:00 committed by Scott Wood
parent ee3dd586f1
commit 02b7d2a833
1 changed files with 3 additions and 0 deletions
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3
drivers/soc/fsl/qbman/qman_ccsr.c
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@ -444,6 +444,9 @@ static int zero_priv_mem(struct device *dev, struct device_node *node,
/* map as cacheable, non-guarded */
void __iomem *tmpp = ioremap_prot(addr, sz, 0);
if (!tmpp)
return -ENOMEM;
memset_io(tmpp, 0, sz);
flush_dcache_range((unsigned long)tmpp,
(unsigned long)tmpp + sz);