Commit Graph

10 Commits

Author SHA1 Message Date
Thomas Gleixner 7f904d7e1f treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 505
Based on 1 normalized pattern(s):

  gplv2

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 58 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081207.556988620@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19 17:11:22 +02:00
Luis Chamberlain dfd32cad14 dma-mapping: remove dma_zalloc_coherent()
dma_zalloc_coherent() is no longer needed as it has no users because
dma_alloc_coherent() already zeroes out memory for us.

The Coccinelle grammar rule that used to check for dma_alloc_coherent()
+ memset() is modified so that it just tells the user that the memset is
not needed anymore.

Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2019-01-08 07:58:49 -05:00
zhong jiang 6fbd856950 Coccinelle: remove pci_alloc_consistent semantic to detect in zalloc-simple.cocci
Because pci_alloc_consistent has been deprecated. We prefer to use
dma_alloc_coherent directly. Therefore, we should remove pci_alloc_consistent
to increase the confidence.

Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Acked-by: Himanshu Jha <himanshujha199640@gmail.com>
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-08-22 23:21:43 +09:00
Himanshu Jha 1936f8f300 Coccinelle: kzalloc-simple: Rename kzalloc-simple to zalloc-simple
Rename kzalloc-simple to zalloc-simple since now the rule is not
specific to kzalloc function only, but also to many other zero memory
allocating functions specified in the rule.

Suggested-by: SF Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-01-16 23:40:17 +09:00
Himanshu Jha d8e7eb51b0 Coccinelle: alloc_cast: Add more memory allocating functions to the list
Add more memory allocating functions that are frequently used in the
kernel code to the existing list and remove the useless casts where
it is unnecessary.

But preserve those casts having __attribute__ such as __force, __iomem,
etc. which are used by Sparse in the static analysis of the code.

Also remove two blank lines at EOF.

Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-01-16 23:38:53 +09:00
Himanshu Jha 5e2d9da5b9 Coccinelle: kzalloc-simple: Add all zero allocating functions
There are many instances where memory is allocated using regular
allocator functions immediately followed by setting the allocated
memory to 0 value using memset.

We already have zero memory allocator functions to set the memory to
0 value instead of manually setting it using memset.

Therefore, use zero memory allocating functions instead of regular
memory allocators followed by memset 0 to remove redundant memset and
make the code more cleaner and also reduce the code size.

Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-01-16 23:38:09 +09:00
Sean O. Stalley 1fc524d74c coccinelle: mm: scripts/coccinelle/api/alloc/pool_zalloc-simple.cocci
add [pci|dma]_pool_zalloc coccinelle check.
replaces instances of [pci|dma]_pool_alloc() followed by memset(0)
with [pci|dma]_pool_zalloc().

Signed-off-by: Sean O. Stalley <sean.stalley@intel.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Gilles Muller <Gilles.Muller@lip6.fr>
Cc: Nicolas Palix <nicolas.palix@imag.fr>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-09-08 15:35:28 -07:00
Himangi Saraogi 99fcec30e8 Coccinelle: Script to detect cast after memory allocation
This script detects cases of use of cast for the value returned by
kmalloc, kzalloc, kcalloc, kmem_cache_alloc, kmem_cache_zalloc,
kmem_cache_alloc_node, kmalloc_node and kzalloc_node and removes
the cast as it is not useful. This Coccinelle script replaces
drop_kmalloc_cast.cocci as it removes the casting in more limited
cases of kmalloc, kzalloc and kcalloc.

Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2014-08-06 12:10:17 +02:00
Nicolas Palix 93f1446849 Coccinelle: Update the options used to the new option scheme
spatch has changed its option scheme.
E.g., --no_show_diff is now --no-show-diff

This patch updates:
 - scripts/coccicheck
 - Semantic patches under scripts/coccinelle/

Signed-off-by: Nicolas Palix <nicolas.palix@imag.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2013-07-03 22:58:13 +02:00
Nicolas Palix be8fe9d451 Coccinelle: Move alloc directory into api directory
alloc contains various semantic patches related
to the allocation APIs

Signed-off-by: Nicolas Palix <npalix@diku.dk>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2010-08-31 11:43:13 +02:00