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x86/microcode: Use nonseekable_open()

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No need to seek on this file, so prevent it outright so we can
avoid using default_llseek - removes one more BKL usage.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[drop useless llseek = no_llseek and smp_lock.h inclusion]
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Arnd Bergmann <arnd@relay.de.ibm.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Dmitry Adamushko <dmitry.adamushko@gmail.com>
LKML-Reference: <1270910781-8786-1-git-send-regression-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arnd Bergmann 2010-04-10 16:46:21 +02:00 committed by Ingo Molnar
parent 938179b4f8
commit 3f10940e4f
1 changed files with 2 additions and 2 deletions
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4
arch/x86/kernel/microcode_core.c
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@ -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,