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: Qianfeng Rong <rongqianfeng@xxxxxxxx> --- drivers/crypto/ccp/sev-dev.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c index 4f000dc2e639..6c116f6f9b79 100644 --- a/drivers/crypto/ccp/sev-dev.c +++ b/drivers/crypto/ccp/sev-dev.c @@ -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; -- 2.34.1
