Commit 1f7b4d87 authored by Douglas Anderson's avatar Douglas Anderson Committed by Greg Kroah-Hartman
Browse files

nvmem: core: constify nvmem_cell_read_variable_common() return value 



The caller doesn't modify the memory pointed to by the pointer so it
can be const.

Suggested-by: default avatarStephen Boyd <swboyd@chromium.org>
Signed-off-by: default avatarDouglas Anderson <dianders@chromium.org>
Reviewed-by: default avatarStephen Boyd <swboyd@chromium.org>
Signed-off-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20210611083348.20170-9-srinivas.kandagatla@linaro.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c813bb37

drivers/nvmem/core.c

+5 −5
Original line number Diff line number Diff line
@@ -1606,7 +1606,7 @@ int nvmem_cell_read_u64(struct device *dev, const char *cell_id, u64 *val) 
}

EXPORT_SYMBOL_GPL(nvmem_cell_read_u64);



static void *nvmem_cell_read_variable_common(struct device *dev,

static const void *nvmem_cell_read_variable_common(struct device *dev,

						   const char *cell_id,

						   size_t max_len, size_t *len)

{
@@ -1652,7 +1652,7 @@ int nvmem_cell_read_variable_le_u32(struct device *dev, const char *cell_id, 
				    u32 *val)

{

	size_t len;

	u8 *buf;

	const u8 *buf;

	int i;



	buf = nvmem_cell_read_variable_common(dev, cell_id, sizeof(*val), &len);
@@ -1683,7 +1683,7 @@ int nvmem_cell_read_variable_le_u64(struct device *dev, const char *cell_id, 
				    u64 *val)

{

	size_t len;

	u8 *buf;

	const u8 *buf;

	int i;



	buf = nvmem_cell_read_variable_common(dev, cell_id, sizeof(*val), &len);