linux-kernel - [PATCH] Coccinelle: zalloc_simple: Fix patch mode for dma_alloc

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Date:   Fri,  3 Apr 2020 18:30:10 +0100
From:   Alex Dewar <alex.dewar@....co.uk>
To:     alex.dewar@....co.uk
Cc:     Luis Chamberlain <mcgrof@...nel.org>,
        Julia Lawall <Julia.Lawall@...6.fr>,
        Gilles Muller <Gilles.Muller@...6.fr>,
        Nicolas Palix <nicolas.palix@...g.fr>,
        Michal Marek <michal.lkml@...kovi.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Allison Randal <allison@...utok.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        cocci@...teme.lip6.fr, linux-kernel@...r.kernel.org
Subject: [PATCH] Coccinelle: zalloc_simple: Fix patch mode for dma_alloc_coherent()

Commit dfd32cad146e ("dma-mapping: remove dma_zalloc_coherent()"), in
removing dma_zalloc_coherent() treewide, inadvertently removed the patch
rule for dma_alloc_coherent(), leaving Coccinelle unable to auto-generate
patches for this case. Fix this.

Fixes: dfd32cad146e ("dma-mapping: remove dma_zalloc_coherent()")
CC: Luis Chamberlain <mcgrof@...nel.org>
Signed-off-by: Alex Dewar <alex.dewar@....co.uk>
---
 scripts/coccinelle/api/alloc/zalloc-simple.cocci | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/scripts/coccinelle/api/alloc/zalloc-simple.cocci b/scripts/coccinelle/api/alloc/zalloc-simple.cocci
index 26cda3f48f01..c53aab7fe096 100644
--- a/scripts/coccinelle/api/alloc/zalloc-simple.cocci
+++ b/scripts/coccinelle/api/alloc/zalloc-simple.cocci
@@ -70,6 +70,15 @@ statement S;
 - x = (T)vmalloc(E1);
 + x = (T)vzalloc(E1);
 |
+- x = dma_alloc_coherent(E2,E1,E3,E4);
++ x = dma_alloc_coherent(E2,E1,E3,E4);
+|
+- x = (T *)dma_alloc_coherent(E2,E1,E3,E4);
++ x = dma_alloc_coherent(E2,E1,E3,E4);
+|
+- x = (T)dma_alloc_coherent(E2,E1,E3,E4);
++ x = (T)dma_alloc_coherent(E2,E1,E3,E4);
+|
 - x = kmalloc_node(E1,E2,E3);
 + x = kzalloc_node(E1,E2,E3);
 |
--
2.26.0