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| author | Madalin Bucur <madalin.bucur@nxp.com> | 2016-11-16 14:40:14 (GMT) |
|---|---|---|
| committer | Xie Xiaobo <xiaobo.xie@nxp.com> | 2017-12-12 07:32:35 (GMT) |
| commit | b007ce6e90698e66afbcbd57dd04b8f06b898f88 (patch) | |
| tree | 2404a72b801295d78fa215823ac3500843fa5b38 | |
| parent | 8c3c149c9ad6a98605dbb3f62e469a0104ad39c1 (diff) | |
| download | linux-b007ce6e90698e66afbcbd57dd04b8f06b898f88.tar.xz | |
soc/qman: Check ioremap return value
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>
| -rw-r--r-- | drivers/soc/fsl/qbman/qman_ccsr.c | 3 |
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 0cace9e..f4e6e70 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); |