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authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>2015-07-13 14:44:54 (GMT)
committerDarren Hart <dvhart@linux.intel.com>2015-07-14 18:02:44 (GMT)
commit8642d7f8364d9fa84a83629129e78402c169c54a (patch)
treec3c47f0ce7ab0effb2684e6b529e3eef2675d0fa /drivers
parent02941007f59ce015233d4c0f7047776960bf0c17 (diff)
downloadlinux-8642d7f8364d9fa84a83629129e78402c169c54a.tar.xz
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/platform/x86/intel_scu_ipc.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c
index 001b199..187d108 100644
--- 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;