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firmware: make fw->data const

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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: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
David Woodhouse 2008-05-23 18:38:49 +01:00 committed by David Woodhouse
parent fd4f80de46
commit b7a39bd0af
2 changed files with 2 additions and 2 deletions
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2
drivers/base/firmware_class.c
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@ -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;

2
include/linux/firmware.h
View File

@ -8,7 +8,7 @@
struct firmware {
size_t size;
u8 *data;
const u8 *data;
};
struct device;