Check buffer pointers are not NULL as required by the UEFI 2.7 spec.

Return EFI_UNSUPPORTED instead of EFI_INVALID_PARAMETER when trying to transmit with non-zero header_size.

Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de --- lib/efi_loader/efi_net.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/efi_loader/efi_net.c b/lib/efi_loader/efi_net.c index e0e222a70b..d71c663068 100644 --- a/lib/efi_loader/efi_net.c +++ b/lib/efi_loader/efi_net.c @@ -392,7 +392,7 @@ static efi_status_t EFIAPI efi_net_transmit efi_timer_check();

/* Check parameters */ - if (!this) { + if (!this || !buffer) { ret = EFI_INVALID_PARAMETER; goto out; } @@ -408,7 +408,7 @@ static efi_status_t EFIAPI efi_net_transmit * TODO: We would need to create the header * if header_size != 0 */ - ret = EFI_INVALID_PARAMETER; + ret = EFI_UNSUPPORTED; goto out; }

@@ -466,7 +466,7 @@ static efi_status_t EFIAPI efi_net_receive efi_timer_check();

/* Check parameters */ - if (!this) { + if (!this || !buffer || !buffer_size) { ret = EFI_INVALID_PARAMETER; goto out; } -- 2.20.1