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| author | Madalin Bucur | 2016-11-16 15:40:14 +0100 |
|---|---|---|
| committer | Scott Wood | 2016-11-23 08:23:38 +0100 |
| commit | 02b7d2a833b007bae45be8d4adbae0f2a43d8dc4 (patch) | |
| tree | a1b4560ffed5742c5f3b9c9a1416ccccdd39178f /drivers/soc/fsl/qbman/qman_ccsr.c | |
| parent | powerpc/85xx: Enable gpio power/reset driver (diff) | |
| download | kernel-qcow2-linux-02b7d2a833b007bae45be8d4adbae0f2a43d8dc4.tar.gz kernel-qcow2-linux-02b7d2a833b007bae45be8d4adbae0f2a43d8dc4.tar.xz kernel-qcow2-linux-02b7d2a833b007bae45be8d4adbae0f2a43d8dc4.zip | |
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>
Diffstat (limited to 'drivers/soc/fsl/qbman/qman_ccsr.c')
| -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 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); |