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authorMarek Szyprowski <m.szyprowski@samsung.com>2016-06-08 03:51:53 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2016-06-09 06:55:15 -0300
commit9f5a802b1d51dc80a27d828a5f7dcc8ec4a72f03 (patch)
treebc7aa57aac137651a75648ddab5770954e12fb6a
parentbd3df3c53e8e5527fc98d0adb4672f3c96e5d69f (diff)
[media] of: reserved_mem: restore old behavior when no region is defined
Change return value back to -ENODEV when no region is defined for given device. This restores old behavior of this function, as some drivers rely on such error code. Fixes: 59ce4039727ef40 ("of: reserved_mem: add support for using more than one region for given device") Reported-by: Liviu Dudau <liviu.dudau@arm.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Reviewed-by: Liviu Dudau <Liviu.Dudau@arm.com> Acked-by: Rob Herring <robh@kernel.org> Reviewed-by: Sumit Semwal <sumit.semwal@linaro.org>
-rw-r--r--drivers/of/of_reserved_mem.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 04e4fe58fb0c..2b2291bfc38f 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -327,7 +327,7 @@ int of_reserved_mem_device_init_by_idx(struct device *dev,
target = of_parse_phandle(np, "memory-region", idx);
if (!target)
- return -EINVAL;
+ return -ENODEV;
rmem = __find_rmem(target);
of_node_put(target);

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