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| author |   Aditya Pakki <pakki001@umn.edu> | 2018-12-24 15:21:21 -0600 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-12-27 16:18:41 -0800 |
| commit | ca19fcb6285bfce1601c073bf4b9d2942e2df8d9 (patch) | |
| tree | f38061abcf74b4bd2101c6a64ba9fb9d69cfb6d9 | |
| parent | ipv6/route: Add a missing check on proc_dointvec (diff) | |
| download | linux-dev-ca19fcb6285bfce1601c073bf4b9d2942e2df8d9.tar.xz linux-dev-ca19fcb6285bfce1601c073bf4b9d2942e2df8d9.zip | |
net: chelsio: Add a missing check on cudg_get_buffer
cudbg_collect_hw_sched() could fail when the function cudg_get_buffer()
returns an error. The fix adds a check to the latter function returning
error on failure
Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c index 7c49681407ad..127b1f624413 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c @@ -1229,6 +1229,10 @@ int cudbg_collect_hw_sched(struct cudbg_init *pdbg_init, rc = cudbg_get_buff(pdbg_init, dbg_buff, sizeof(struct cudbg_hw_sched), &temp_buff); + + if (rc) + return rc; + hw_sched_buff = (struct cudbg_hw_sched *)temp_buff.data; hw_sched_buff->map = t4_read_reg(padap, TP_TX_MOD_QUEUE_REQ_MAP_A); hw_sched_buff->mode = TIMERMODE_G(t4_read_reg(padap, TP_MOD_CONFIG_A)); |