[PATCH] cw1200: Fix a signedness bug in cw1200_load_firmware()

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The "priv->hw_type" is an enum and in this context GCC will treat it
as an unsigned int so the error handling will never trigger.

Fixes: a910e4a94f69 ("cw1200: add driver for the ST-E CW1100 & CW1200 WLAN chipsets")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
 drivers/net/wireless/st/cw1200/fwio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/st/cw1200/fwio.c b/drivers/net/wireless/st/cw1200/fwio.c
index 6574e78e05ea..da767c33dfbb 100644
--- a/drivers/net/wireless/st/cw1200/fwio.c
+++ b/drivers/net/wireless/st/cw1200/fwio.c
@@ -321,7 +321,7 @@ int cw1200_load_firmware(struct cw1200_common *priv)
 	}
 
 	priv->hw_type = cw1200_get_hw_type(val32, &major_revision);
-	if (priv->hw_type < 0) {
+	if ((int)priv->hw_type < 0) {
 		pr_err("Can't deduce hardware type.\n");
 		ret = -ENOTSUPP;
 		goto out;
-- 
2.20.1




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