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authorMarcelo Tosatti <mtosatti@redhat.com>2012-08-26 20:58:41 +0400
committerMarcelo Tosatti <mtosatti@redhat.com>2012-08-26 20:58:41 +0400
commitc78aa4c4b94b5b148be576a9f1570e31fe282b46 (patch)
tree6d5801eb3e60bcec6a91c7b13a334c6d2ea11b05 /arch/x86/kernel/microcode_amd.c
parent90993cdd1800dc6ef9587431a0c625b978584e81 (diff)
parent9acb172543aecb783e2e1e53e3f447d4c0f5c150 (diff)
downloadlinux-c78aa4c4b94b5b148be576a9f1570e31fe282b46.tar.xz
Merge remote-tracking branch 'upstream/master' into queue
Merging critical fixes from upstream required for development. * upstream/master: (809 commits) libata: Add a space to " 2GB ATA Flash Disk" DMA blacklist entry Revert "powerpc: Update g5_defconfig" powerpc/perf: Use pmc_overflow() to detect rolled back events powerpc: Fix VMX in interrupt check in POWER7 copy loops powerpc: POWER7 copy_to_user/copy_from_user patch applied twice powerpc: Fix personality handling in ppc64_personality() powerpc/dma-iommu: Fix IOMMU window check powerpc: Remove unnecessary ifdefs powerpc/kgdb: Restore current_thread_info properly powerpc/kgdb: Bail out of KGDB when we've been triggered powerpc/kgdb: Do not set kgdb_single_step on ppc powerpc/mpic_msgr: Add missing includes powerpc: Fix null pointer deref in perf hardware breakpoints powerpc: Fixup whitespace in xmon powerpc: Fix xmon dl command for new printk implementation xfs: check for possible overflow in xfs_ioc_trim xfs: unlock the AGI buffer when looping in xfs_dialloc xfs: fix uninitialised variable in xfs_rtbuf_get() powerpc/fsl: fix "Failed to mount /dev: No such device" errors powerpc/fsl: update defconfigs ... Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/kernel/microcode_amd.c')
-rw-r--r--arch/x86/kernel/microcode_amd.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index 8a2ce8fd41c0..82746f942cd8 100644
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -143,11 +143,12 @@ static int get_matching_microcode(int cpu, const u8 *ucode_ptr,
unsigned int *current_size)
{
struct microcode_header_amd *mc_hdr;
- unsigned int actual_size;
+ unsigned int actual_size, patch_size;
u16 equiv_cpu_id;
/* size of the current patch we're staring at */
- *current_size = *(u32 *)(ucode_ptr + 4) + SECTION_HDR_SIZE;
+ patch_size = *(u32 *)(ucode_ptr + 4);
+ *current_size = patch_size + SECTION_HDR_SIZE;
equiv_cpu_id = find_equiv_id();
if (!equiv_cpu_id)
@@ -174,7 +175,7 @@ static int get_matching_microcode(int cpu, const u8 *ucode_ptr,
/*
* now that the header looks sane, verify its size
*/
- actual_size = verify_ucode_size(cpu, *current_size, leftover_size);
+ actual_size = verify_ucode_size(cpu, patch_size, leftover_size);
if (!actual_size)
return 0;