intel_scu_ipc: move local memory initialization out of a mutex

'{ }' and memset will both reset the cbuf buffer.
Only once is enough and this can be done outside fo the mutex.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>

diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c
index 001b199..187d108 100644 (file)
--- a/drivers/platform/x86/intel_scu_ipc.c
+++ b/drivers/platform/x86/intel_scu_ipc.c
@@ -216,13 +216,13 @@ static int pwr_reg_rdwr(u16 *addr, u8 *data, u32 count, u32 op, u32 id)
        int nc;
        u32 offset = 0;
        int err;
-       u8 cbuf[IPC_WWBUF_SIZE] = { };
+       u8 cbuf[IPC_WWBUF_SIZE];
        u32 *wbuf = (u32 *)&cbuf;
 
-       mutex_lock(&ipclock);
-
        memset(cbuf, 0, sizeof(cbuf));
 
+       mutex_lock(&ipclock);
+
        if (ipcdev.pdev == NULL) {
                mutex_unlock(&ipclock);
                return -ENODEV;