diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-30 09:06:13 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-30 09:06:13 -0700 |
| commit | 021fad8b706849c091f6e682bc5df3ce4f9ab4d7 (patch) | |
| tree | 471aacadc425fcb725ea293637e34d813b666b5d /arch/x86/mm/pat.c | |
| parent | e9a5f426b85e429bffaee4e0b086b1e742a39fa6 (diff) | |
| parent | 1ba4f22c426ba04b00fd717318d50620c621a0e1 (diff) | |
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, cpufeature: Unbreak compile with gcc 3.x
x86, pat: Fix memory leak in free_memtype
x86, k8: Fix section mismatch for powernowk8_exit()
lib/atomic64_test: fix missing include of linux/kernel.h
x86: remove last traces of quicklist usage
x86, setup: Phoenix BIOS fixup is needed on Dell Inspiron Mini 1012
x86: "nosmp" command line option should force the system into UP mode
arch/x86/pci: use kasprintf
x86, apic: ack all pending irqs when crashed/on kexec
Diffstat (limited to 'arch/x86/mm/pat.c')
| -rw-r--r-- | arch/x86/mm/pat.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index bbe5502ee1c..acc15b23b74 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -336,6 +336,7 @@ int free_memtype(u64 start, u64 end) { int err = -EINVAL; int is_range_ram; + struct memtype *entry; if (!pat_enabled) return 0; @@ -355,17 +356,20 @@ int free_memtype(u64 start, u64 end) } spin_lock(&memtype_lock); - err = rbt_memtype_erase(start, end); + entry = rbt_memtype_erase(start, end); spin_unlock(&memtype_lock); - if (err) { + if (!entry) { printk(KERN_INFO "%s:%d freeing invalid memtype %Lx-%Lx\n", current->comm, current->pid, start, end); + return -EINVAL; } + kfree(entry); + dprintk("free_memtype request 0x%Lx-0x%Lx\n", start, end); - return err; + return 0; } |