Kalle Valo <kvalo@xxxxxxxxxx> writes: > Colin Ian King <colin.i.king@xxxxxxxxx> writes: > >> Variables hw_ctrl_s1 and sw_ctrl_s1 are not being initialized and >> potentially can contain any garbage value. Currently there is an if >> statement that sets one or the other of these variables, followed >> by an if statement that checks if any of these variables have been >> set to a non-zero value. In the case where they may contain >> uninitialized non-zero values, the latter if statement may be >> taken as true when it was not expected to. >> >> Fix this by ensuring hw_ctrl_s1 and sw_ctrl_s1 are initialized. >> >> Cleans up clang warning: >> drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c:432:7: warning: >> variable 'hw_ctrl_s1' is used uninitialized whenever 'if' condition is >> false [-Wsometimes-uninitialized] >> if (hw_ctrl) { >> ^~~~~~~ >> drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c:440:7: note: uninitialized >> use occurs here >> if (hw_ctrl_s1 || sw_ctrl_s1) { >> ^~~~~~~~~~ >> drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c:432:3: note: remove the 'if' >> if its condition is always true >> if (hw_ctrl) { >> ^~~~~~~~~~~~~ >> >> Fixes: c888183b21f3 ("wifi: rtl8xxxu: Support new chip RTL8188FU") >> Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx> > > I'll queue this to v6.1. Actually commit c888183b21f3 is in wireless-next so this patch should go to wireless-next, for v6.2. -- https://patchwork.kernel.org/project/linux-wireless/list/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches