This patch fixes the sparse warning of fix cast to restricted __le32. Last month, there was a change for replacing private CRC-32 routines with in-kernel ones. In that patch, we replaced getcrc32 with crc32_le in calling le32_to_cpu. le32_to_cpu accepts __le32 type as arg, but crc32_le returns unsigned int. That how it introduced the sparse warning. This patch uses __force to fix the warning. Signed-off-by: Jhih-Ming Huang <fbihjmeric@xxxxxxxxx> --- drivers/staging/rtl8723bs/core/rtw_security.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/staging/rtl8723bs/core/rtw_security.c b/drivers/staging/rtl8723bs/core/rtw_security.c index a99f439328f1..2f4da67e31c6 100644 --- a/drivers/staging/rtl8723bs/core/rtw_security.c +++ b/drivers/staging/rtl8723bs/core/rtw_security.c @@ -121,7 +121,7 @@ void rtw_wep_decrypt(struct adapter *padapter, u8 *precvframe) arc4_crypt(ctx, payload, payload, length); /* calculate icv and compare the icv */ - *((u32 *)crc) = le32_to_cpu(~crc32_le(~0, payload, length - 4)); + *((u32 *)crc) = le32_to_cpu((__force __le32)~crc32_le(~0, payload, length - 4)); } } @@ -618,7 +618,8 @@ u32 rtw_tkip_decrypt(struct adapter *padapter, u8 *precvframe) arc4_setkey(ctx, rc4key, 16); arc4_crypt(ctx, payload, payload, length); - *((u32 *)crc) = le32_to_cpu(~crc32_le(~0, payload, length - 4)); + *((u32 *)crc) = le32_to_cpu((__force __le32)~crc32_le(~0, payload, + length - 4)); if (crc[3] != payload[length - 1] || crc[2] != payload[length - 2] || crc[1] != payload[length - 3] || crc[0] != payload[length - 4]) -- 2.25.1
