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authorOlof Johansson <olof@lixom.net>2013-02-05 14:06:09 -0800
committerOlof Johansson <olof@lixom.net>2013-02-05 14:06:25 -0800
commit61cfd8736040dd2d620278fb11c6c4acfeb041c9 (patch)
treea3191d768acd36a5aff52eabe0892860dfd96730 /arch/x86/kernel/msr.c
parent7960ba89ca518ec99d2a937907f445a26b2a1628 (diff)
parent7dc0f27ea43151889ae762d321e4068dd90cd9e2 (diff)
Merge tag 'omap-for-v3.9/board-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/boards
From Tony Lindgren: Minimal updates to OMAP board-*.c files while converting things to device tree based booting. * tag 'omap-for-v3.9/board-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP2+: omap2plus_defconfig: enable omap1 rtc RX-51: Register twl4030-madc device RX-51: Add leds lp5523 names from Maemo 5 2.6.28 kernel ARM: OMAP2+: AM33XX: omap2plus_defconfig: Add support for few drivers ARM: OMAP1: nokia770: enable CBUS/Retu ARM: OMAP2+: omap2plus_defconfig: enable CMA allocator ARM: OMAP2+: omap2plus_defconfig: enable TFP410 chip support ARM: OMAP3: igep0020: simplify GPIO LEDs dependencies ARM: OMAP2+: craneboard: support the TPS65910 PMU ARM: OMAP2+: craneboard: support NAND device ARM: OMAP3: cm-t3517: add MMC support ARM: OMAP2+: Remove apollon board support + Linux 3.8-rc6 Signed-off-by: Olof Johansson <olof@lixom.net>
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 a7c5661f849..4929502c137 100644
--- a/arch/x86/kernel/msr.c
+++ b/arch/x86/kernel/msr.c
@@ -174,6 +174,9 @@ 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 */