x86 microcode: firmware data is const

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>

diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c
index 69729e38b78a2d83e7f7e799bd2ea37730305d18..649dfd761f23a8c49a06e3fc683d4048e0824792 100644 (file)
--- a/arch/x86/kernel/microcode.c
+++ b/arch/x86/kernel/microcode.c
@@ -488,7 +488,7 @@ MODULE_ALIAS_MISCDEV(MICROCODE_MINOR);
 #define microcode_dev_exit() do { } while(0)
 #endif
 
-static long get_next_ucode_from_buffer(void **mc, void *buf,
+static long get_next_ucode_from_buffer(void **mc, const u8 *buf,
        unsigned long size, long offset)
 {
        microcode_header_t *mc_header;
@@ -522,7 +522,7 @@ static int cpu_request_microcode(int cpu)
        char name[30];
        struct cpuinfo_x86 *c = &cpu_data(cpu);
        const struct firmware *firmware;
-       void *buf;
+       const u8 *buf;
        unsigned long size;
        long offset = 0;
        int error;