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| |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | |
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|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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// SPDX-License-Identifier: GPL-2.0-only
///
/// Use *_pool_zalloc rather than *_pool_alloc followed by memset with 0
///
// Copyright: (C) 2015 Intel Corp.
// Options: --no-includes --include-headers
//
// Keywords: dma_pool_zalloc, pci_pool_zalloc
//
virtual context
virtual patch
virtual org
virtual report
//----------------------------------------------------------
// For context mode
//----------------------------------------------------------
@depends on context@
expression x;
statement S;
@@
* x = \(dma_pool_alloc\|pci_pool_alloc\)(...);
if ((x==NULL) || ...) S
* memset(x,0, ...);
//----------------------------------------------------------
// For patch mode
//----------------------------------------------------------
@depends on patch@
expression x;
expression a,b,c;
statement S;
@@
- x = dma_pool_alloc(a,b,c);
+ x = dma_pool_zalloc(a,b,c);
if ((x==NULL) || ...) S
- memset(x,0,...);
@depends on patch@
expression x;
expression a,b,c;
statement S;
@@
- x = pci_pool_alloc(a,b,c);
+ x = pci_pool_zalloc(a,b,c);
if ((x==NULL) || ...) S
- memset(x,0,...);
//----------------------------------------------------------
// For org and report mode
//----------------------------------------------------------
@r depends on org || report@
expression x;
expression a,b,c;
statement S;
position p;
@@
x = @p\(dma_pool_alloc\|pci_pool_alloc\)(a,b,c);
if ((x==NULL) || ...) S
memset(x,0, ...);
@script:python depends on org@
p << r.p;
x << r.x;
@@
msg="%s" % (x)
msg_safe=msg.replace("[","@(").replace("]",")")
coccilib.org.print_todo(p[0], msg_safe)
@script:python depends on report@
p << r.p;
x << r.x;
@@
msg="WARNING: *_pool_zalloc should be used for %s, instead of *_pool_alloc/memset" % (x)
coccilib.report.print_report(p[0], msg)