From 4915aa3b3bb976996624c6ffa81da8e5a705c7d2 Mon Sep 17 00:00:00 2001 From: Nathan Chancellor Date: Tue, 22 Oct 2019 17:47:03 -0700 Subject: rtlwifi: Remove unnecessary NULL check in rtl_regd_init commit 091c6e9c083f7ebaff00b37ad13562d51464d175 upstream. When building with Clang + -Wtautological-pointer-compare: drivers/net/wireless/realtek/rtlwifi/regd.c:389:33: warning: comparison of address of 'rtlpriv->regd' equal to a null pointer is always false [-Wtautological-pointer-compare] if (wiphy == NULL || &rtlpriv->regd == NULL) ~~~~~~~~~^~~~ ~~~~ 1 warning generated. The address of an array member is never NULL unless it is the first struct member so remove the unnecessary check. This was addressed in the staging version of the driver in commit f986978b32b3 ("Staging: rtlwifi: remove unnecessary NULL check"). While we are here, fix the following checkpatch warning: CHECK: Comparison to NULL could be written "!wiphy" 35: FILE: drivers/net/wireless/realtek/rtlwifi/regd.c:389: + if (wiphy == NULL) Fixes: 0c8173385e54 ("rtl8192ce: Add new driver") Link:https://github.com/ClangBuiltLinux/linux/issues/750 Signed-off-by: Nathan Chancellor Acked-by: Ping-Ke Shih Signed-off-by: Kalle Valo Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireless/realtek/rtlwifi/regd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/wireless/realtek/rtlwifi/regd.c b/drivers/net/wireless/realtek/rtlwifi/regd.c index f67e7e5b13e1..005bd7abc247 100644 --- a/drivers/net/wireless/realtek/rtlwifi/regd.c +++ b/drivers/net/wireless/realtek/rtlwifi/regd.c @@ -427,7 +427,7 @@ int rtl_regd_init(struct ieee80211_hw *hw, struct wiphy *wiphy = hw->wiphy; struct country_code_to_enum_rd *country = NULL; - if (wiphy == NULL || &rtlpriv->regd == NULL) + if (!wiphy) return -EINVAL; /* init country_code from efuse channel plan */ -- cgit v1.2.3