[patch -next] x86, microcode, AMD: signedness bug in
From: Dan Carpenter <hidden>
Date: 2011-02-18 09:17:38
Also in:
lkml
Subsystem:
the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
install_equiv_cpu_table() returns type int. It uses negative error codes so using an unsigned type breaks the error handling. Signed-off-by: Dan Carpenter <redacted>
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index 9fb8405..c561038 100644
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c@@ -246,7 +246,7 @@ generic_load_microcode(int cpu, const u8 *data, size_t size) struct ucode_cpu_info *uci = ucode_cpu_info + cpu; struct microcode_header_amd *mc_hdr = NULL; unsigned int mc_size, leftover; - unsigned long offset; + int offset; const u8 *ucode_ptr = data; void *new_mc = NULL; unsigned int new_rev = uci->cpu_sig.rev;