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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-06-08 19:40:08 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-06-08 19:40:08 +0100 |
| commit | 76962be8491b18ae7ff4fd6a4accd398bdb402a2 (patch) | |
| tree | 976958bf8e4989a69901bfbb25dd6463728c6cb5 /arch/x86/mm/pat.c | |
| parent | 5e27fb78df95e027723af2c90ecc9b4527ae59e9 (diff) | |
| parent | d30e5d897c3da7c2d17c8112331b66ed953eec78 (diff) | |
| download | linux-stable-76962be8491b18ae7ff4fd6a4accd398bdb402a2.tar.gz linux-stable-76962be8491b18ae7ff4fd6a4accd398bdb402a2.tar.bz2 linux-stable-76962be8491b18ae7ff4fd6a4accd398bdb402a2.zip | |
Merge branch 'fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6
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 bbe5502ee1cb..acc15b23b743 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; } |