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Commit b7a39bd0 authored by David Woodhouse's avatar David Woodhouse Committed by David Woodhouse
Browse files

firmware: make fw->data const 



In preparation for supporting firmware files linked into the static
kernel, make fw->data const to ensure that users aren't modifying it (so
that we can pass a pointer to the original in-kernel copy, rather than
having to copy it).

Signed-off-by: default avatarDavid Woodhouse <dwmw2@infradead.org>
parent fd4f80de

drivers/base/firmware_class.c

+1 −1
Original line number Diff line number Diff line
@@ -257,7 +257,7 @@ firmware_data_write(struct kobject *kobj, struct bin_attribute *bin_attr, 
	if (retval)

		goto out;



	memcpy(fw->data + offset, buffer, count);

	memcpy((u8 *)fw->data + offset, buffer, count);



	fw->size = max_t(size_t, offset + count, fw->size);

	retval = count;

include/linux/firmware.h

+1 −1
Original line number Diff line number Diff line
@@ -8,7 +8,7 @@ 


struct firmware {

	size_t size;

	u8 *data;

	const u8 *data;

};



struct device;