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| author |   Arnd Bergmann <arnd@relay.de.ibm.com> | 2010-04-10 16:46:21 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2010-04-14 12:27:34 +0200 |
| commit | 3f10940e4fb69d312602078f2c5234206797ca31 (patch) | |
| tree | 20c2b056639b9d2e01a527851c38663d4d28a5e3 /arch/x86/kernel/microcode_core.c | |
| parent | x86: Improve Intel microcode loader performance (diff) | |
| download | linux-dev-3f10940e4fb69d312602078f2c5234206797ca31.tar.xz linux-dev-3f10940e4fb69d312602078f2c5234206797ca31.zip | |
x86/microcode: Use nonseekable_open()
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>
Diffstat (limited to 'arch/x86/kernel/microcode_core.c')
| -rw-r--r-- | 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 cceb5bc3c3c2..2cd8c544e41a 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, |