Commit e002780c authored by Qianfeng Rong's avatar Qianfeng Rong Committed by Herbert Xu
Browse files

crypto: ccp - Use int type to store negative error codes 



Change the 'ret' variable in __sev_do_cmd_locked() from unsigned int to
int, as it needs to store negative error codes.

No effect on runtime.

Signed-off-by: default avatarQianfeng Rong <rongqianfeng@vivo.com>
Acked-by: default avatarTom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 2b0dc40a

drivers/crypto/ccp/sev-dev.c

+2 −1
Original line number Diff line number Diff line
@@ -848,9 +848,10 @@ static int __sev_do_cmd_locked(int cmd, void *data, int *psp_ret) 
	struct sev_device *sev;

	unsigned int cmdbuff_hi, cmdbuff_lo;

	unsigned int phys_lsb, phys_msb;

	unsigned int reg, ret = 0;

	unsigned int reg;

	void *cmd_buf;

	int buf_len;

	int ret = 0;



	if (!psp || !psp->sev_data)

		return -ENODEV;