From 34fe7038a3b33b4b50b1e948e005bf3db20b7a54 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Tue, 11 May 2021 16:56:29 -0700 Subject: brcmsmac: Drop unnecessary NULL check after container_of The parameter passed to ai_detach() is guaranteed to never be NULL because it is checked by the caller. Consequently, the result of container_of() on it is also never NULL, and a NULL check on it is unnecessary. Even without that, the NULL check would still be unnecessary because the subsequent kfree() can handle NULL arguments. On top of all that, it is misleading to check the result of container_of() against NULL because the position of the contained element could change, which would make the check invalid. Remove it. This change was made automatically with the following Coccinelle script. @@ type t; identifier v; statement s; @@ <+... ( t v = container_of(...); | v = container_of(...); ) ... when != v - if (\( !v \| v == NULL \) ) s ...+> Signed-off-by: Guenter Roeck Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20210511235629.1686038-1-linux@roeck-us.net --- drivers/net/wireless/broadcom/brcm80211/brcmsmac/aiutils.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmsmac') diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/aiutils.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/aiutils.c index 53365977bfd6..2084b506a450 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/aiutils.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/aiutils.c @@ -531,9 +531,6 @@ void ai_detach(struct si_pub *sih) sii = container_of(sih, struct si_info, pub); - if (sii == NULL) - return; - kfree(sii); } -- cgit v1.2.3