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From: Greg KH <gregkh@suse.de>
To: linux-kernel@vger.kernel.org, stable@kernel.org
Cc: stable-review@kernel.org, torvalds@linux-foundation.org,
	akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk,
	Dave Jones <davej@redhat.com>
Subject: [patch 20/30] [CPUFREQ] Fix NULL ptr regression in powernow-k8
Date: Thu, 01 Oct 2009 16:31:36 -0700	[thread overview]
Message-ID: <20091001233321.739706856@mini.kroah.org> (raw)
In-Reply-To: <20091001233504.GA17709@kroah.com>

[-- Attachment #1: fix-null-ptr-regression-in-powernow-k8.patch --]
[-- Type: text/plain, Size: 2339 bytes --]

2.6.30-stable review patch.  If anyone has any objections, please let us know.

------------------
From: Kurt Roeckx <kurt@roeckx.be>

commit f0adb134d8dc9993a9998dc50845ec4f6ff4fadc upstream.

Fixes bugzilla #13780

From: Kurt Roeckx <kurt@roeckx.be>
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
 arch/x86/kernel/cpu/cpufreq/powernow-k8.c |   15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -618,9 +618,10 @@ static int check_pst_table(struct powern
 	return 0;
 }
 
-static void invalidate_entry(struct powernow_k8_data *data, unsigned int entry)
+static void invalidate_entry(struct cpufreq_frequency_table *powernow_table,
+		unsigned int entry)
 {
-	data->powernow_table[entry].frequency = CPUFREQ_ENTRY_INVALID;
+	powernow_table[entry].frequency = CPUFREQ_ENTRY_INVALID;
 }
 
 static void print_basics(struct powernow_k8_data *data)
@@ -926,13 +927,13 @@ static int fill_powernow_table_pstate(st
 					"bad value %d.\n", i, index);
 			printk(KERN_ERR PFX "Please report to BIOS "
 					"manufacturer\n");
-			invalidate_entry(data, i);
+			invalidate_entry(powernow_table, i);
 			continue;
 		}
 		rdmsr(MSR_PSTATE_DEF_BASE + index, lo, hi);
 		if (!(hi & HW_PSTATE_VALID_MASK)) {
 			dprintk("invalid pstate %d, ignoring\n", index);
-			invalidate_entry(data, i);
+			invalidate_entry(powernow_table, i);
 			continue;
 		}
 
@@ -982,7 +983,7 @@ static int fill_powernow_table_fidvid(st
 		/* verify frequency is OK */
 		if ((freq > (MAX_FREQ * 1000)) || (freq < (MIN_FREQ * 1000))) {
 			dprintk("invalid freq %u kHz, ignoring\n", freq);
-			invalidate_entry(data, i);
+			invalidate_entry(powernow_table, i);
 			continue;
 		}
 
@@ -990,7 +991,7 @@ static int fill_powernow_table_fidvid(st
 		 * BIOSs are using "off" to indicate invalid */
 		if (vid == VID_OFF) {
 			dprintk("invalid vid %u, ignoring\n", vid);
-			invalidate_entry(data, i);
+			invalidate_entry(powernow_table, i);
 			continue;
 		}
 
@@ -1021,7 +1022,7 @@ static int fill_powernow_table_fidvid(st
 				(unsigned int)
 				(data->acpi_data.states[i].core_frequency
 				 * 1000));
-			invalidate_entry(data, i);
+			invalidate_entry(powernow_table, i);
 			continue;
 		}
 	}



  parent reply	other threads:[~2009-10-01 23:41 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20091001233116.947658905@mini.kroah.org>
2009-10-01 23:35 ` [patch 00/30] 2.6.30.9-stable review Greg KH
2009-10-01 23:31   ` [patch 01/30] ACPI: pci_slot.ko wants a 64-bit _SUN Greg KH
2009-10-01 23:31   ` [patch 02/30] fs: make sure data stored into inode is properly seen before unlocking new inode Greg KH
2009-10-01 23:31   ` [patch 03/30] kallsyms: fix segfault in prefix_underscores_count() Greg KH
2009-10-01 23:31   ` [patch 04/30] nilfs2: fix missing zero-fill initialization of btree node cache Greg KH
2009-10-01 23:31   ` [patch 05/30] p54usb: add Zcomax XG-705A usbid Greg KH
2009-10-01 23:31   ` [patch 06/30] [CIFS] Re-enable Lanman security Greg KH
2009-10-01 23:31   ` [patch 07/30] KVM: VMX: Check cpl before emulating debug register access Greg KH
2009-10-01 23:31   ` [patch 08/30] KVM: VMX: Fix cr8 exiting control clobbering by EPT Greg KH
2009-10-01 23:31   ` [patch 09/30] KVM: MMU: make __kvm_mmu_free_some_pages handle empty list Greg KH
2009-10-01 23:31   ` [patch 10/30] KVM: x86: Disallow hypercalls for guest callers in rings > 0 Greg KH
2009-10-01 23:31   ` [patch 11/30] KVM: MMU: fix missing locking in alloc_mmu_pages Greg KH
2009-10-01 23:31   ` [patch 12/30] KVM: MMU: fix bogus alloc_mmu_pages assignment Greg KH
2009-10-01 23:31   ` [patch 13/30] KVM: limit lapic periodic timer frequency Greg KH
2009-10-01 23:31   ` [patch 14/30] KVM guest: fix bogus wallclock physical address calculation Greg KH
2009-10-01 23:31   ` [patch 15/30] KVM: fix cpuid E2BIG handling for extended request types Greg KH
2009-10-01 23:31   ` [patch 16/30] Revert "KVM: x86: check for cr3 validity in ioctl_set_sregs" Greg KH
2009-10-01 23:31   ` [patch 17/30] ahci: restore pci_intx() handling Greg KH
2009-10-01 23:31   ` [patch 18/30] net ax25: Fix signed comparison in the sockopt handler Greg KH
2009-10-01 23:31   ` [patch 19/30] net: Make the copy length in af_packet sockopt handler unsigned Greg KH
2009-10-01 23:31   ` Greg KH [this message]
2009-10-01 23:31   ` [patch 21/30] netfilter: bridge: refcount fix Greg KH
2009-10-01 23:31   ` [patch 22/30] netfilter: ebt_ulog: fix checkentry return value Greg KH
2009-10-01 23:31   ` [patch 23/30] netfilter: nf_nat: fix inverted logic for persistent NAT mappings Greg KH
2009-10-01 23:31   ` [patch 24/30] Fix idle time field in /proc/uptime Greg KH
2009-10-01 23:31   ` [patch 25/30] hugetlb: restore interleaving of bootmem huge pages (2.6.31) Greg KH
2009-10-01 23:31   ` [patch 26/30] powerpc/8xx: Fix regression introduced by cache coherency rewrite Greg KH
2009-10-01 23:31   ` [patch 27/30] powerpc: Fix incorrect setting of __HAVE_ARCH_PTE_SPECIAL Greg KH
2009-10-01 23:31   ` [patch 28/30] /proc/kcore: work around a BUG() Greg KH
2009-10-01 23:31   ` [patch 29/30] PM / PCMCIA: Drop second argument of pcmcia_socket_dev_suspend() Greg KH
2009-10-01 23:31   ` [patch 30/30] PM / yenta: Fix cardbus suspend/resume regression Greg KH
2009-10-02  2:43   ` [patch 00/30] 2.6.30.9-stable review Henrique de Moraes Holschuh
2009-10-02 14:20     ` [stable] " Greg KH
2009-10-03 14:39       ` Henrique de Moraes Holschuh
2009-10-02 16:42   ` [31/30] thinkpad-acpi: fix incorrect use of TPACPI_BRGHT_MODE_ECNVRAM Greg KH
2009-10-02 17:20   ` [patch 32/30] mm: fix anonymous dirtying Greg KH
2009-10-02 17:21   ` [patch 33/30] mmap: avoid unnecessary anon_vma lock acquisition in vma_adjust() Greg KH
2009-10-02 17:23   ` [patch 00/30] 2.6.30.9-stable review Greg KH

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