From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 730A142F70C for ; Mon, 27 Jul 2026 17:34:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785173683; cv=none; b=h93qgD1v4f6o2f3JLFFdeuTRlnl3/Ym4xRaPwoxE4vucJ4lonh/cMwjORommTxwgFk4FAe1tXr/1obAqXsC9yfvomUUx5YYBrCaBncV4CFbWnOy/sMnWx2+XmsD5xboBlKdrhgrVhkBtHHJBoRJTaN9z0apcbnf/6rvlgy5ldIQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785173683; c=relaxed/simple; bh=UacPadgCI+xsqDlkjNqVCIlxrV+eenoeToLSerhbwZs=; h=Date:To:From:Subject:Message-Id; b=VH0Snh7iATlMJ7+/u7NB1ZlEWRrKhU0t8i/Qh5Xbg9cwUxhpaUaB7pCYtkqL1otzhbqz3PRrQVy2L4UNfBXyGIJ8iIxp11dsYVhnSF4PNDkVkInTxB96HNo9QvysoZidJH0OfZ4BSdiDJ+15zSllyUnHP6IvhJJc7Il4kUiLTsg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=jn2PcyA3; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="jn2PcyA3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1D4661F000E9; Mon, 27 Jul 2026 17:34:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1785173682; bh=vo+YZTbjGM5g5s/c7f7BZKN8Bzh5J05cNzqNb6CYiwI=; h=Date:To:From:Subject; b=jn2PcyA347ixQukEq8cLSsZZxLxJNVYrYkRuL1sKgSj2YytqcEJS1x1kvD7kP0LZA l4O3yWLWUx4n1FKoN+fW4aA/y6Te1Sp5StpF0EA6UvcgtArRPnJPpS7hKxH6dEbpt8 u7IDaxUejQhBDGQ6V7W2AZswYAOhVTSHQK90YPAs= Date: Mon, 27 Jul 2026 10:34:41 -0700 To: mm-commits@vger.kernel.org,tzimmermann@suse.de,sshegde@linux.ibm.com,npiggin@gmail.com,nilay@linux.ibm.com,namcao@linutronix.de,mripard@kernel.org,mpe@ellerman.id.au,maddy@linux.ibm.com,maarten.lankhorst@linux.intel.com,leon@kernel.org,jiazhenyuan@uniontech.com,jgg@ziepe.ca,guanwentao@uniontech.com,clg@kaod.org,bharat@chelsio.com,airlied@gmail.com,gouhao@uniontech.com,akpm@linux-foundation.org From: Andrew Morton Subject: [merged] rdma-cxgb4-remove-dead-null-checks-after-gfp_nofail-allocations.patch removed from -mm tree Message-Id: <20260727173442.1D4661F000E9@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: RDMA/cxgb4: remove dead NULL checks after GFP_NOFAIL allocations has been removed from the -mm tree. Its filename was rdma-cxgb4-remove-dead-null-checks-after-gfp_nofail-allocations.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Gou Hao Subject: RDMA/cxgb4: remove dead NULL checks after GFP_NOFAIL allocations Date: Fri, 24 Jul 2026 10:28:51 +0800 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. Link: https://lore.kernel.org/20260724022851.466017-7-gouhao@uniontech.com Signed-off-by: Gou Hao Cc: Bharat Potnuri Cc: Cédric Le Goater Cc: Dave Airlie Cc: Jason Gunthorpe Cc: jiazhenyuan Cc: Leon Romanovsky Cc: Maarten Lankhorst Cc: Madhavan Srinivasan Cc: Maxime Ripard Cc: Michael Ellerman Cc: Nam Cao Cc: Nicholas Piggin Cc: Nilay Shroff Cc: Shrikanth Hegde Cc: Thomas Zimemrmann Cc: Wentao Guan Signed-off-by: Andrew Morton --- drivers/infiniband/hw/cxgb4/mem.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) --- a/drivers/infiniband/hw/cxgb4/mem.c~rdma-cxgb4-remove-dead-null-checks-after-gfp_nofail-allocations +++ a/drivers/infiniband/hw/cxgb4/mem.c @@ -74,11 +74,8 @@ static int _c4iw_write_mem_dma_aligned(s 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 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); _ Patches currently in -mm which might be from gouhao@uniontech.com are powerpc-xive-add-error-return-value-to-xive_smp_probe.patch drm-remove-dead-warn_on-null-check-after-gfp_nofail-allocation.patch lib-test_hmm-remove-dead-null-checks-after-gfp_nofail-allocations.patch