Messages in this thread Patch in this message | | | From | Yang Li <> | Subject | [PATCH net-next] cxgb4: remove redundant NULL check | Date | Tue, 26 Jan 2021 10:50:13 +0800 |
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Fix below warnings reported by coccicheck: ./drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c:323:3-9: WARNING: NULL check before some freeing functions is not needed. ./drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c:3554:2-8: WARNING: NULL check before some freeing functions is not needed. ./drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c:157:2-7: WARNING: NULL check before some freeing functions is not needed. ./drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c:525:3-9: WARNING: NULL check before some freeing functions is not needed.
Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Yang Li <abaci-bugfix@linux.alibaba.com> --- drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c | 3 +-- drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c | 3 +-- drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c | 3 +-- drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c | 6 ++---- 4 files changed, 5 insertions(+), 10 deletions(-)
diff --git a/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c b/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c index ce28820..12fcf84 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/cudbg_lib.c b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c index 75474f8..94eb8a6 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c @@ -3554,8 +3554,7 @@ int cudbg_collect_qdesc(struct cudbg_init *pdbg_init, } out_free: - if (data) - kvfree(data); + kvfree(data); #undef QDESC_GET_FLQ #undef QDESC_GET_RXQ diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c index 77648e4..dd66b24 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 dede025..97a811f 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c @@ -525,12 +525,10 @@ struct cxgb4_tc_u32_table *cxgb4_init_tc_u32(struct adapter *adap) 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; } -- 1.8.3.1
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