diff options
| -rw-r--r-- | arch/x86/kernel/microcode_amd.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c index c5610384ab16..d30d67cd33ad 100644 --- a/arch/x86/kernel/microcode_amd.c +++ b/arch/x86/kernel/microcode_amd.c @@ -157,7 +157,7 @@ static int apply_microcode_amd(int cpu) static unsigned int verify_ucode_size(int cpu, const u8 *buf, unsigned int size) { struct cpuinfo_x86 *c = &cpu_data(cpu); - unsigned int max_size, actual_size; + u32 max_size, actual_size; #define F1XH_MPB_MAX_SIZE 2048 #define F14H_MPB_MAX_SIZE 1824 @@ -175,7 +175,7 @@ static unsigned int verify_ucode_size(int cpu, const u8 *buf, unsigned int size) break; } - actual_size = buf[4] + (buf[5] << 8); + actual_size = *(u32 *)(buf + 4); if (actual_size > size || actual_size > max_size) { pr_err("section size mismatch\n"); @@ -191,7 +191,7 @@ get_next_ucode(int cpu, const u8 *buf, unsigned int size, unsigned int *mc_size) struct microcode_header_amd *mc = NULL; unsigned int actual_size = 0; - if (buf[0] != UCODE_UCODE_TYPE) { + if (*(u32 *)buf != UCODE_UCODE_TYPE) { pr_err("invalid type field in container file section header\n"); goto out; } |
