[PATCH net-next] cxgb4: remove unneeded if-null-free check

[Qiheng Lin]

Eliminate the following coccicheck warning:

drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c:529:3-9: WARNING:
 NULL check before some freeing functions is not needed.
drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c:533:2-8: WARNING:
 NULL check before some freeing functions is not needed.
drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c:161:2-7: WARNING:
 NULL check before some freeing functions is not needed.
drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c:327:3-9: WARNING:
 NULL check before some freeing functions is not needed.

Signed-off-by: Qiheng Lin <linqih...@huawei.com>
---
 drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c     | 3 +--
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c  | 3 +--
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c | 8 ++------
 3 files changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c 
b/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c
index ce28820c57c9..12fcf84d67ad 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c
@@ -323,8 +323,7 @@ void t4_cleanup_clip_tbl(struct adapter *adap)
        struct clip_tbl *ctbl = adap->clipt;
 
        if (ctbl) {
-               if (ctbl->cl_list)
-                       kvfree(ctbl->cl_list);
+               kvfree(ctbl->cl_list);
                kvfree(ctbl);
        }
 }
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c 
b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c
index 77648e4ab4cc..dd66b244466d 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c
@@ -157,8 +157,7 @@ static int cudbg_alloc_compress_buff(struct cudbg_init 
*pdbg_init)
 
 static void cudbg_free_compress_buff(struct cudbg_init *pdbg_init)
 {
-       if (pdbg_init->compress_buff)
-               vfree(pdbg_init->compress_buff);
+       vfree(pdbg_init->compress_buff);
 }
 
 int cxgb4_cudbg_collect(struct adapter *adap, void *buf, u32 *buf_size,
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c 
b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c
index dede02505ceb..a5d2f84dcdd5 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c
@@ -524,13 +524,9 @@ struct cxgb4_tc_u32_table *cxgb4_init_tc_u32(struct 
adapter *adap)
 out_no_mem:
        for (i = 0; i < t->size; i++) {
                struct cxgb4_link *link = &t->table[i];
-
-               if (link->tid_map)
-                       kvfree(link->tid_map);
+               kvfree(link->tid_map);
        }
-
-       if (t)
-               kvfree(t);
+       kvfree(t);
 
        return NULL;
 }
-- 
2.31.1