[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>

1 files changed, 0 insertions, 3 deletions

diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c
index 11178ccbb89a..53f861c82f93 100644
--- 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;
 }