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-rw-r--r--drivers/soc/fsl/qbman/qman_ccsr.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/soc/fsl/qbman/qman_ccsr.c b/drivers/soc/fsl/qbman/qman_ccsr.c
index 0cace9e0077e..f4e6e70de259 100644
--- a/drivers/soc/fsl/qbman/qman_ccsr.c
+++ b/drivers/soc/fsl/qbman/qman_ccsr.c
@@ -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);