[PATCH] staging: intel_sst: use signed int for error codes

[Vasiliy Kulikov <segooon@xxxxxxxxx>]

As retval stores error code, it should be signed int.

Signed-off-by: Vasiliy Kulikov <segooon@xxxxxxxxx>
---
 Compile tested.

 .../staging/intel_sst/intel_sst_app_interface.c    |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/intel_sst/intel_sst_app_interface.c b/drivers/staging/intel_sst/intel_sst_app_interface.c
index 9f31dc5..baf0ddc 100644
--- a/drivers/staging/intel_sst/intel_sst_app_interface.c
+++ b/drivers/staging/intel_sst/intel_sst_app_interface.c
@@ -98,7 +98,7 @@ static int intel_sst_check_device(void)
  */
 int intel_sst_open(struct inode *i_node, struct file *file_ptr)
 {
-	unsigned int retval = intel_sst_check_device();
+	int retval = intel_sst_check_device();
 	if (retval)
 		return retval;
 
@@ -137,7 +137,7 @@ int intel_sst_open(struct inode *i_node, struct file *file_ptr)
  */
 int intel_sst_open_cntrl(struct inode *i_node, struct file *file_ptr)
 {
-	unsigned int retval = intel_sst_check_device();
+	int retval = intel_sst_check_device();
 	if (retval)
 		return retval;
 
-- 
1.7.0.4

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