diff options
author | Borislav Petkov <bp@suse.de> | 2015-05-17 12:55:00 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2015-05-18 09:32:36 +0200 |
commit | 9e5aed83bbd95ca2dee732f56a7a278350cef807 (patch) | |
tree | 5b3ccd3ba6ee378892e5286639d7924cd783fed9 /arch/x86/kernel/cpu/microcode | |
parent | x86/microcode/intel: Simplify update_match_cpu() (diff) | |
download | linux-9e5aed83bbd95ca2dee732f56a7a278350cef807.tar.xz linux-9e5aed83bbd95ca2dee732f56a7a278350cef807.zip |
x86/microcode/intel: Simplify get_matching_sig()
Unclutter function, make it a bit more readable, drop local
variables.
No functionality change.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1431860101-14847-4-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/cpu/microcode')
-rw-r--r-- | arch/x86/kernel/cpu/microcode/intel_lib.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/arch/x86/kernel/cpu/microcode/intel_lib.c b/arch/x86/kernel/cpu/microcode/intel_lib.c index 1ffe507931af..def9c935f3f9 100644 --- a/arch/x86/kernel/cpu/microcode/intel_lib.c +++ b/arch/x86/kernel/cpu/microcode/intel_lib.c @@ -133,24 +133,22 @@ EXPORT_SYMBOL_GPL(microcode_sanity_check); */ int get_matching_sig(unsigned int csig, int cpf, void *mc) { - struct microcode_header_intel *mc_header = mc; - struct extended_sigtable *ext_header; - unsigned long total_size = get_totalsize(mc_header); - int ext_sigcount, i; + struct microcode_header_intel *mc_hdr = mc; + struct extended_sigtable *ext_hdr; struct extended_signature *ext_sig; + int i; - if (cpu_signatures_match(csig, cpf, mc_header->sig, mc_header->pf)) + if (cpu_signatures_match(csig, cpf, mc_hdr->sig, mc_hdr->pf)) return 1; /* Look for ext. headers: */ - if (total_size <= get_datasize(mc_header) + MC_HEADER_SIZE) + if (get_totalsize(mc_hdr) <= get_datasize(mc_hdr) + MC_HEADER_SIZE) return 0; - ext_header = mc + get_datasize(mc_header) + MC_HEADER_SIZE; - ext_sigcount = ext_header->count; - ext_sig = (void *)ext_header + EXT_HEADER_SIZE; + ext_hdr = mc + get_datasize(mc_hdr) + MC_HEADER_SIZE; + ext_sig = (void *)ext_hdr + EXT_HEADER_SIZE; - for (i = 0; i < ext_sigcount; i++) { + for (i = 0; i < ext_hdr->count; i++) { if (cpu_signatures_match(csig, cpf, ext_sig->sig, ext_sig->pf)) return 1; ext_sig++; |