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RDMA/cxgb4: remove dead NULL checks after GFP_NOFAIL allocations

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alloc_skb() with the __GFP_NOFAIL flag will never return NULL,
so the subsequent NULL checks and error handling are unreachable
dead code. Remove them.

Signed-off-by: Gou Hao <gouhao@uniontech.com>
Link: https://patch.msgid.link/20260724022851.466017-7-gouhao@uniontech.com
Reviewed-by: Potnuri Bharat Teja <bharat@chelsio.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Gou Hao 2026-07-24 10:28:51 +08:00 committed by Leon Romanovsky
parent ecdcc8a455
commit a273210687
1 changed files with 2 additions and 8 deletions
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10
drivers/infiniband/hw/cxgb4/mem.c
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@ -74,11 +74,8 @@ static int _c4iw_write_mem_dma_aligned(struct c4iw_rdev *rdev, u32 addr,
c4iw_init_wr_wait(wr_waitp);
wr_len = roundup(sizeof(*req) + sizeof(*sgl), 16);
if (!skb) {
if (!skb)
skb = alloc_skb(wr_len, GFP_KERNEL | __GFP_NOFAIL);
if (!skb)
return -ENOMEM;
}
set_wr_txq(skb, CPL_PRIORITY_CONTROL, 0);
req = __skb_put_zero(skb, wr_len);
@ -134,11 +131,8 @@ static int _c4iw_write_mem_inline(struct c4iw_rdev *rdev, u32 addr, u32 len,
roundup(copy_len, T4_ULPTX_MIN_IO),
16);
if (!skb) {
if (!skb)
skb = alloc_skb(wr_len, GFP_KERNEL | __GFP_NOFAIL);
if (!skb)
return -ENOMEM;
}
set_wr_txq(skb, CPL_PRIORITY_CONTROL, 0);
req = __skb_put_zero(skb, wr_len);