Commit 3934aa4c authored by Insu Yun's avatar Insu Yun Committed by David S. Miller

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: default avatarInsu Yun <wuninsu@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b77357b6
...@@ -295,6 +295,10 @@ struct clip_tbl *t4_init_clip_tbl(unsigned int clipt_start, ...@@ -295,6 +295,10 @@ struct clip_tbl *t4_init_clip_tbl(unsigned int clipt_start,
INIT_LIST_HEAD(&ctbl->hash_list[i]); INIT_LIST_HEAD(&ctbl->hash_list[i]);
cl_list = t4_alloc_mem(clipt_size*sizeof(struct clip_entry)); 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; ctbl->cl_list = (void *)cl_list;
for (i = 0; i < clipt_size; i++) { for (i = 0; i < clipt_size; i++) {
......
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