x86: remove unneded casts

x86: remove unneeded casts

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 5 insertions, 7 deletions

diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c
index 40cfd5488719..6ff447f9fda7 100644
--- a/arch/x86/kernel/microcode.c
+++ b/arch/x86/kernel/microcode.c
@@ -244,8 +244,8 @@ static int microcode_sanity_check(void *mc)
                 return 0;
         /* check extended signature checksum */
         for (i = 0; i < ext_sigcount; i++) {
-                ext_sig = (struct extended_signature *)((void *)ext_header
-                        + EXT_HEADER_SIZE + EXT_SIGNATURE_SIZE * i);
+                ext_sig = (void *)ext_header + EXT_HEADER_SIZE +
+                          EXT_SIGNATURE_SIZE * i;
                 sum = orig_sum
                         - (mc_header->sig + mc_header->pf + mc_header->cksum)
                         + (ext_sig->sig + ext_sig->pf + ext_sig->cksum);
@@ -279,11 +279,9 @@ static int get_maching_microcode(void *mc, int cpu)
         if (total_size <= get_datasize(mc_header) + MC_HEADER_SIZE)
                 return 0;
 
-        ext_header = (struct extended_sigtable *)(mc +
-                        get_datasize(mc_header) + MC_HEADER_SIZE);
+        ext_header = mc + get_datasize(mc_header) + MC_HEADER_SIZE;
         ext_sigcount = ext_header->count;
-        ext_sig = (struct extended_signature *)((void *)ext_header
-                        + EXT_HEADER_SIZE);
+        ext_sig = (void *)ext_header + EXT_HEADER_SIZE;
         for (i = 0; i < ext_sigcount; i++) {
                 if (microcode_update_match(cpu, mc_header,
                                 ext_sig->sig, ext_sig->pf))
@@ -539,7 +537,7 @@ static int cpu_request_microcode(int cpu)
                 pr_debug("ucode data file %s load failed\n", name);
                 return error;
         }
-        buf = (void *)firmware->data;
+        buf = firmware->data;
         size = firmware->size;
         while ((offset = get_next_ucode_from_buffer(&mc, buf, size, offset))
                         > 0) {