[PATCH 1/4] crypto: ccp: Fix sparse, use plain integer as NULL pointer

From: Brijesh Singh
Date: Mon Jan 15 2018 - 08:33:52 EST


Fix sparse warning: Using plain integer as NULL pointer. Replaces
assignment of 0 to pointer with NULL assignment.

Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Cc: "Radim KrÄmÃÅ" <rkrcmar@xxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxx>
Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Cc: Gary Hook <gary.hook@xxxxxxx>
Cc: Tom Lendacky <thomas.lendacky@xxxxxxx>
Cc: linux-crypto@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Brijesh Singh <brijesh.singh@xxxxxxx>
---
drivers/crypto/ccp/psp-dev.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c
index fcfa5b1eae61..b3afb6cc9d72 100644
--- a/drivers/crypto/ccp/psp-dev.c
+++ b/drivers/crypto/ccp/psp-dev.c
@@ -211,7 +211,7 @@ static int __sev_platform_shutdown_locked(int *error)
{
int ret;

- ret = __sev_do_cmd_locked(SEV_CMD_SHUTDOWN, 0, error);
+ ret = __sev_do_cmd_locked(SEV_CMD_SHUTDOWN, NULL, error);
if (ret)
return ret;

@@ -271,7 +271,7 @@ static int sev_ioctl_do_reset(struct sev_issue_cmd *argp)
return rc;
}

- return __sev_do_cmd_locked(SEV_CMD_FACTORY_RESET, 0, &argp->error);
+ return __sev_do_cmd_locked(SEV_CMD_FACTORY_RESET, NULL, &argp->error);
}

static int sev_ioctl_do_platform_status(struct sev_issue_cmd *argp)
@@ -299,7 +299,7 @@ static int sev_ioctl_do_pek_pdh_gen(int cmd, struct sev_issue_cmd *argp)
return rc;
}

- return __sev_do_cmd_locked(cmd, 0, &argp->error);
+ return __sev_do_cmd_locked(cmd, NULL, &argp->error);
}

static int sev_ioctl_do_pek_csr(struct sev_issue_cmd *argp)
@@ -624,7 +624,7 @@ EXPORT_SYMBOL_GPL(sev_guest_decommission);

int sev_guest_df_flush(int *error)
{
- return sev_do_cmd(SEV_CMD_DF_FLUSH, 0, error);
+ return sev_do_cmd(SEV_CMD_DF_FLUSH, NULL, error);
}
EXPORT_SYMBOL_GPL(sev_guest_df_flush);

--
2.9.5