From: Frederic Weisbecker on
From: Arnd Bergmann <arnd(a)relay.de.ibm.com>

No need to seek on this file, so prevent it outright so we can
avoid using default_llseek.

Signed-off-by: Arnd Bergmann <arnd(a)arndb.de>
Cc: Ingo Molnar <mingo(a)elte.hu>
Cc: H. Peter Anvin <hpa(a)zytor.com>
Cc: Thomas Gleixner <tglx(a)linutronix.de>
[drop useless llseek = no_llseek and smp_lock.h inclusion]
Signed-off-by: Frederic Weisbecker <fweisbec(a)gmail.com>
---
arch/x86/kernel/microcode_core.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c
index cceb5bc..2cd8c54 100644
--- a/arch/x86/kernel/microcode_core.c
+++ b/arch/x86/kernel/microcode_core.c
@@ -201,9 +201,9 @@ static int do_microcode_update(const void __user *buf, size_t size)
return error;
}

-static int microcode_open(struct inode *unused1, struct file *unused2)
+static int microcode_open(struct inode *inode, struct file *file)
{
- return capable(CAP_SYS_RAWIO) ? 0 : -EPERM;
+ return capable(CAP_SYS_RAWIO) ? nonseekable_open(inode, file) : -EPERM;
}

static ssize_t microcode_write(struct file *file, const char __user *buf,
--
1.6.2.3

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