staging: wilc1000: wilc_sdio_cmd53: return linux error value

This patch changes return value with linux error value, not 1 or 0.
Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/linux_wlan_sdio.c

@@ -83,13 +83,10 @@ int wilc_sdio_cmd53(struct wilc *wilc, sdio_cmd53_t *cmd)
 
 	sdio_release_host(func);
 
-
-	if (ret < 0) {
+	if (ret)
 		dev_err(&func->dev, "wilc_sdio_cmd53..failed, err(%d)\n", ret);
-		return 0;
-	}
 
-	return 1;
+	return ret;
 }
 
 static int linux_sdio_probe(struct sdio_func *func,

drivers/staging/wilc1000/wilc_sdio.c

@@ -138,6 +138,7 @@ static int sdio_set_func1_block_size(struct wilc *wilc, u32 block_size)
 static int sdio_write_reg(struct wilc *wilc, u32 addr, u32 data)
 {
 	struct sdio_func *func = dev_to_sdio_func(wilc->dev);
+	int ret;
 
 	data = cpu_to_le32(data);
 
@@ -171,8 +172,8 @@ static int sdio_write_reg(struct wilc *wilc, u32 addr, u32 data)
 		cmd.count = 4;
 		cmd.buffer = (u8 *)&data;
 		cmd.block_size = g_sdio.block_size; /* johnny : prevent it from setting unexpected value */
-
-		if (!wilc_sdio_cmd53(wilc, &cmd)) {
+		ret = wilc_sdio_cmd53(wilc, &cmd);
+		if (ret) {
 			dev_err(&func->dev,
 				"Failed cmd53, write reg (%08x)...\n", addr);
 			goto _fail_;
@@ -191,7 +192,7 @@ static int sdio_write(struct wilc *wilc, u32 addr, u8 *buf, u32 size)
 	struct sdio_func *func = dev_to_sdio_func(wilc->dev);
 	u32 block_size = g_sdio.block_size;
 	sdio_cmd53_t cmd;
-	int nblk, nleft;
+	int nblk, nleft, ret;
 
 	cmd.read_write = 1;
 	if (addr > 0) {
@@ -237,7 +238,8 @@ static int sdio_write(struct wilc *wilc, u32 addr, u8 *buf, u32 size)
 			if (!sdio_set_func0_csa_address(wilc, addr))
 				goto _fail_;
 		}
-		if (!wilc_sdio_cmd53(wilc, &cmd)) {
+		ret = wilc_sdio_cmd53(wilc, &cmd);
+		if (ret) {
 			dev_err(&func->dev,
 				"Failed cmd53 [%x], block send...\n", addr);
 			goto _fail_;
@@ -259,7 +261,8 @@ static int sdio_write(struct wilc *wilc, u32 addr, u8 *buf, u32 size)
 			if (!sdio_set_func0_csa_address(wilc, addr))
 				goto _fail_;
 		}
-		if (!wilc_sdio_cmd53(wilc, &cmd)) {
+		ret = wilc_sdio_cmd53(wilc, &cmd);
+		if (ret) {
 			dev_err(&func->dev,
 				"Failed cmd53 [%x], bytes send...\n", addr);
 			goto _fail_;
@@ -276,6 +279,7 @@ static int sdio_write(struct wilc *wilc, u32 addr, u8 *buf, u32 size)
 static int sdio_read_reg(struct wilc *wilc, u32 addr, u32 *data)
 {
 	struct sdio_func *func = dev_to_sdio_func(wilc->dev);
+	int ret;
 
 	if ((addr >= 0xf0) && (addr <= 0xff)) {
 		sdio_cmd52_t cmd;
@@ -305,8 +309,8 @@ static int sdio_read_reg(struct wilc *wilc, u32 addr, u32 *data)
 		cmd.buffer = (u8 *)data;
 
 		cmd.block_size = g_sdio.block_size; /* johnny : prevent it from setting unexpected value */
-
-		if (!wilc_sdio_cmd53(wilc, &cmd)) {
+		ret = wilc_sdio_cmd53(wilc, &cmd);
+		if (ret) {
 			dev_err(&func->dev,
 				"Failed cmd53, read reg (%08x)...\n", addr);
 			goto _fail_;
@@ -327,7 +331,7 @@ static int sdio_read(struct wilc *wilc, u32 addr, u8 *buf, u32 size)
 	struct sdio_func *func = dev_to_sdio_func(wilc->dev);
 	u32 block_size = g_sdio.block_size;
 	sdio_cmd53_t cmd;
-	int nblk, nleft;
+	int nblk, nleft, ret;
 
 	cmd.read_write = 0;
 	if (addr > 0) {
@@ -373,7 +377,8 @@ static int sdio_read(struct wilc *wilc, u32 addr, u8 *buf, u32 size)
 			if (!sdio_set_func0_csa_address(wilc, addr))
 				goto _fail_;
 		}
-		if (!wilc_sdio_cmd53(wilc, &cmd)) {
+		ret = wilc_sdio_cmd53(wilc, &cmd);
+		if (ret) {
 			dev_err(&func->dev,
 				"Failed cmd53 [%x], block read...\n", addr);
 			goto _fail_;
@@ -395,7 +400,8 @@ static int sdio_read(struct wilc *wilc, u32 addr, u8 *buf, u32 size)
 			if (!sdio_set_func0_csa_address(wilc, addr))
 				goto _fail_;
 		}
-		if (!wilc_sdio_cmd53(wilc, &cmd)) {
+		ret = wilc_sdio_cmd53(wilc, &cmd);
+		if (ret) {
 			dev_err(&func->dev,
 				"Failed cmd53 [%x], bytes read...\n", addr);
 			goto _fail_;