diff options
| author | Raghu Vatsavayi <rvatsavayi@caviumnetworks.com> | 2016-06-14 16:54:43 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-06-15 21:44:31 -0700 |
| commit | ddc173a688a1ffef8b2a6547faaf68940d4dae0d (patch) | |
| tree | 2d8c35a044f064f4dd6f2b3953193c1685caeff8 /drivers/net | |
| parent | 0b797c85894f9de091de2da16bc2ce80842898c0 (diff) | |
| download | linux-ddc173a688a1ffef8b2a6547faaf68940d4dae0d.tar.bz2 | |
liquidio: Avoid double free during soft command
This patch is to resolve the double free issue by checking proper return
values from soft command.
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com>
Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/lio_ethtool.c | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/lio_main.c | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/octeon_nic.c | 2 |
3 files changed, 5 insertions, 5 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c index 245c063ed4db..1096cdb36512 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c @@ -317,7 +317,7 @@ octnet_mdio45_access(struct lio *lio, int op, int loc, int *value) retval = octeon_send_soft_command(oct_dev, sc); - if (retval) { + if (retval == IQ_SEND_FAILED) { dev_err(&oct_dev->pci_dev->dev, "octnet_mdio45_access instruction failed status: %x\n", retval); @@ -722,7 +722,7 @@ static int octnet_set_intrmod_cfg(void *oct, struct oct_intrmod_cfg *intr_cfg) sc->wait_time = 1000; retval = octeon_send_soft_command(oct_dev, sc); - if (retval) { + if (retval == IQ_SEND_FAILED) { octeon_free_soft_command(oct_dev, sc); return -EINVAL; } diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c index 655d89e8814f..47fba0ecdd22 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c @@ -2583,7 +2583,7 @@ static inline int send_nic_timestamp_pkt(struct octeon_device *oct, retval = octeon_send_command(oct, sc->iq_no, ring_doorbell, &sc->cmd, sc, ih->dlengsz, ndata->reqtype); - if (retval) { + if (retval == IQ_SEND_FAILED) { dev_err(&oct->pci_dev->dev, "timestamp data packet failed status: %x\n", retval); octeon_free_soft_command(oct, sc); @@ -3192,7 +3192,7 @@ static int setup_nic_devices(struct octeon_device *octeon_dev) sc->wait_time = 1000; retval = octeon_send_soft_command(octeon_dev, sc); - if (retval) { + if (retval == IQ_SEND_FAILED) { dev_err(&octeon_dev->pci_dev->dev, "iq/oq config failed status: %x\n", retval); diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_nic.c b/drivers/net/ethernet/cavium/liquidio/octeon_nic.c index 1a0191549cb3..aacabe4c5443 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_nic.c +++ b/drivers/net/ethernet/cavium/liquidio/octeon_nic.c @@ -178,7 +178,7 @@ octnet_send_nic_ctrl_pkt(struct octeon_device *oct, } retval = octeon_send_soft_command(oct, sc); - if (retval) { + if (retval == IQ_SEND_FAILED) { octeon_free_soft_command(oct, sc); dev_err(&oct->pci_dev->dev, "%s soft command send failed status: %x\n", __func__, retval); |