diff options
| author | Michael Brown <mcb30@ipxe.org> | 2016-05-11 22:50:09 +0100 |
|---|---|---|
| committer | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2016-05-12 10:01:17 +0200 |
| commit | e117c894fdf1896fea5d37057832fed58d48b6ee (patch) | |
| tree | 159685425cb7b3f417a5ec9744dffbf616b8a1a7 /EmbeddedPkg/Drivers | |
| parent | 1da7616649491b054025fc2928211f577fbf2691 (diff) | |
| download | edk2-e117c894fdf1896fea5d37057832fed58d48b6ee.tar.gz edk2-e117c894fdf1896fea5d37057832fed58d48b6ee.tar.bz2 edk2-e117c894fdf1896fea5d37057832fed58d48b6ee.zip | |
EmbeddedPkg/Lan9118Dxe: Do not return uninitialised TxBuff
Conform to the specification for GetStatus(), which states that "if
there are no transmit buffers to recycle and TxBuf is not NULL, *TxBuf
will be set to NULL".
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Diffstat (limited to 'EmbeddedPkg/Drivers')
| -rw-r--r-- | EmbeddedPkg/Drivers/Lan9118Dxe/Lan9118Dxe.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/EmbeddedPkg/Drivers/Lan9118Dxe/Lan9118Dxe.c b/EmbeddedPkg/Drivers/Lan9118Dxe/Lan9118Dxe.c index 8af23df394..aabaf604f6 100644 --- a/EmbeddedPkg/Drivers/Lan9118Dxe/Lan9118Dxe.c +++ b/EmbeddedPkg/Drivers/Lan9118Dxe/Lan9118Dxe.c @@ -1055,6 +1055,8 @@ SnpGetStatus ( LanDriver->Stats.TxTotalFrames += 1;
*TxBuff = LanDriver->TxRing[PacketTag % LAN9118_TX_RING_NUM_ENTRIES];
}
+ } else if (TxBuff != NULL) {
+ *TxBuff = NULL;
}
// Check for a TX Error interrupt
|