[PARISC] Remove {,un}lock_kernel from perf ioctl

Remove the lock_kernel/unlock_kernel pair in the ioctl method. It plainly wasn't protecting anything. Signed-off-by: Matthew Wilcox <willy@parisc-linux.org> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
git-mirror · Jan 23, 2006 · a2bb214 · a2bb214
1 parent 85509c0
commit a2bb214
Showing 1 changed file with 0 additions and 3 deletions.
diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c
@@ -444,7 +444,6 @@ static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	uint32_t raddr[4];
 	int error = 0;
 
-	lock_kernel();
 	switch (cmd) {
 
 	    case PA_PERF_ON:
@@ -477,8 +476,6 @@ static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
   	 		error = -ENOTTY;
 	}
 
-	unlock_kernel();
-
 	return error;
 }