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| author |   Insu Yun <wuninsu@gmail.com> | 2015-12-29 17:20:11 -0500 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-01-04 17:18:42 -0500 |
| commit | 3934aa4c1f7f4ccdff25f530b0e37d776ac453e2 (patch) | |
| tree | 6089a510198e507a9b378683a9715e6c94e05fa9 /drivers | |
| parent | qlcnic: correctly handle qlcnic_alloc_mbx_args (diff) | |
| download | linux-dev-3934aa4c1f7f4ccdff25f530b0e37d776ac453e2.tar.xz linux-dev-3934aa4c1f7f4ccdff25f530b0e37d776ac453e2.zip | |
cxgb4: correctly handling failed allocation
Since t4_alloc_mem can be failed in memory pressure,
if not properly handled, NULL dereference could be happened.
Signed-off-by: Insu Yun <wuninsu@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c b/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c index c308429dd9c7..11dd91e4db56 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c +++ b/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c @@ -295,6 +295,10 @@ struct clip_tbl *t4_init_clip_tbl(unsigned int clipt_start, INIT_LIST_HEAD(&ctbl->hash_list[i]); cl_list = t4_alloc_mem(clipt_size*sizeof(struct clip_entry)); + if (!cl_list) { + t4_free_mem(ctbl); + return NULL; + } ctbl->cl_list = (void *)cl_list; for (i = 0; i < clipt_size; i++) { |