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ARM: imx: flag failure of of_iomap

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imx_set_aips is assuming that the address returned from of_iomap is
valid which it probably is in the normal case - as the call site
is void error propagation is not possible but never the less at least
a WARN_ON() seems warranted here.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Fixes: commit e57e4ab5fc2e ("ARM: i.MX: allow disabling supervisor protect via DT")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Nicholas Mc Guire 2018-07-08 10:32:54 +02:00 committed by Shawn Guo
parent 08a213c24f
commit cff70654d8
1 changed files with 1 additions and 0 deletions
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arch/arm/mach-imx/cpu.c
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@ -68,6 +68,7 @@ void __init imx_aips_allow_unprivileged_access(
for_each_compatible_node(np, NULL, compat) {
aips_base_addr = of_iomap(np, 0);
WARN_ON(!aips_base_addr);
imx_set_aips(aips_base_addr);
}
}