From: YueHaibing <yuehaibing@xxxxxxxxxx> [ Upstream commit 3e5bc68fa596874500e8c718605aa44d5e42a34c ] when CRYPTO is m and KS7010 is y, building fails: drivers/staging/ks7010/ks_hostif.o: In function `michael_mic.constprop.13': ks_hostif.c:(.text+0x560): undefined reference to `crypto_alloc_shash' ks_hostif.c:(.text+0x580): undefined reference to `crypto_shash_setkey' ks_hostif.c:(.text+0x5e0): undefined reference to `crypto_destroy_tfm' ks_hostif.c:(.text+0x614): undefined reference to `crypto_shash_update' ks_hostif.c:(.text+0x62c): undefined reference to `crypto_shash_update' ks_hostif.c:(.text+0x648): undefined reference to `crypto_shash_finup' Add CRYPTO and CRYPTO_HASH dependencies to fix this. Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Fixes: 8b523f20417d ("staging: ks7010: removed custom Michael MIC implementation.") Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/staging/ks7010/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/staging/ks7010/Kconfig b/drivers/staging/ks7010/Kconfig index 0b9217674d5b..8a303ce114d8 100644 --- a/drivers/staging/ks7010/Kconfig +++ b/drivers/staging/ks7010/Kconfig @@ -4,6 +4,7 @@ config KS7010 select WIRELESS_EXT select WEXT_PRIV select FW_LOADER + depends on CRYPTO && CRYPTO_HASH help This is a driver for KeyStream KS7010 based SDIO WIFI cards. It is found on at least later Spectec SDW-821 (FCC-ID "S2Y-WLAN-11G-K" only, -- 2.20.1