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authorTodd Poynor <toddpoynor@google.com>2013-03-13 17:35:08 -0700
committerTodd Poynor <toddpoynor@google.com>2013-03-13 17:35:08 -0700
commit1249d25539343d1a7fe361c8d40be7a5df5b0216 (patch)
tree770c9a33604bb00c62f44d780aefab27e4eb9379 /arch/x86/kernel/msr.c
parent4aad13d07babf68c1d0d37ff1e5f797573c4fd2a (diff)
parent0b203ab4aacdb6e6dfb8c277aa290f0a02428e6f (diff)
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Merge branch 'android-3.0' into android-omap-3.0
Diffstat (limited to 'arch/x86/kernel/msr.c')
-rw-r--r--arch/x86/kernel/msr.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c
index 12fcbe2..f7d1a64 100644
--- a/arch/x86/kernel/msr.c
+++ b/arch/x86/kernel/msr.c
@@ -175,6 +175,9 @@ static int msr_open(struct inode *inode, struct file *file)
unsigned int cpu;
struct cpuinfo_x86 *c;
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
+
cpu = iminor(file->f_path.dentry->d_inode);
if (cpu >= nr_cpu_ids || !cpu_online(cpu))
return -ENXIO; /* No such CPU */