linux/scripts/coccinelle, branch v5.10

Merge branch 'for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux

2020-10-18T21:20:35Z

Pull coccinelle updates from Julia Lawall. * 'for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux: coccinelle: api: add kfree_mismatch script coccinelle: iterators: Add for_each_child.cocci script scripts: coccicheck: Change default condition for parallelism scripts: coccicheck: Add quotes to improve portability coccinelle: api: kfree_sensitive: print memset position coccinelle: misc: add flexible_array.cocci script coccinelle: api: add kvmalloc script scripts: coccicheck: Change default value for parallelism coccinelle: misc: add excluded_middle.cocci script scripts: coccicheck: Improve error feedback when coccicheck fails coccinelle: api: update kzfree script to kfree_sensitive coccinelle: misc: add uninitialized_var.cocci script coccinelle: ifnullfree: add vfree(), kvfree*() functions coccinelle: api: add kobj_to_dev.cocci script coccinelle: add patch rule for dma_alloc_coherent scripts: coccicheck: Add chain mode to list of modes

coccinelle: api: add kfree_mismatch script

2020-10-17T21:11:06Z

Check that alloc and free types of functions match each other. Signed-off-by: Denis Efremov Signed-off-by: Julia Lawall

coccinelle: iterators: Add for_each_child.cocci script

2020-10-15T20:28:10Z

While iterating over child nodes with the for_each functions, if control is transferred from the middle of the loop, as in the case of a break or return or goto, there is no decrement in the reference counter thus ultimately resulting in a memory leak. Add this script to detect potential memory leaks caused by the absence of of_node_put() before break, goto, or, return statements which transfer control outside the loop. Signed-off-by: Sumera Priyadarsini Signed-off-by: Julia Lawall

coccinelle: api: kfree_sensitive: print memset position

2020-10-10T19:26:12Z

Print memset() call position in addition to the kfree() position to ease issues identification. Signed-off-by: Denis Efremov Signed-off-by: Julia Lawall

coccinelle: misc: add flexible_array.cocci script

2020-10-03T20:08:40Z

One-element and zero-length arrays are deprecated [1]. Kernel code should always use "flexible array members" instead, except for existing uapi definitions. The script warns about one-element and zero-length arrays in structs. [1] commit 68e4cd17e218 ("docs: deprecated.rst: Add zero-length and one-element arrays") Cc: Kees Cook Cc: Gustavo A. R. Silva Signed-off-by: Denis Efremov Signed-off-by: Julia Lawall

coccinelle: api: add kvmalloc script

2020-10-01T19:46:55Z

Suggest kvmalloc, kvfree instead of opencoded patterns. Signed-off-by: Denis Efremov Signed-off-by: Julia Lawall

coccinelle: misc: add excluded_middle.cocci script

2020-09-21T17:45:46Z

Check for !A || A && B condition. It's equivalent to !A || B. Signed-off-by: Denis Efremov Signed-off-by: Julia Lawall

coccinelle: api: update kzfree script to kfree_sensitive

2020-09-12T15:08:43Z

Commit 453431a54934 ("mm, treewide: rename kzfree() to kfree_sensitive()") renames kzfree to kfree_sensitive and uses memzero_explicit(...) instead of memset(..., 0, ...) internally. Update cocci script to reflect these changes. Signed-off-by: Denis Efremov Signed-off-by: Julia Lawall

scripts: device_attr_show.cocci: update location of sysfs doc

2020-09-10T16:47:52Z

sysfs.txt was converted and renamed to sysfs.rst. Update device_attr_show.cocci script accordingly. Signed-off-by: Mauro Carvalho Chehab Link: https://lore.kernel.org/r/048ed24b09aefa0051d76396d6250e35e6ba035c.1599660067.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet

coccinelle: misc: add uninitialized_var.cocci script

2020-09-05T17:13:28Z

uninitialized_var() macro was removed from the sources [1] and other warning-silencing tricks were deprecated [2]. The purpose of this cocci script is to prevent new occurrences of uninitialized_var() open-coded variants. [1] commit 63a0895d960a ("compiler: Remove uninitialized_var() macro") [2] commit 4b19bec97c88 ("docs: deprecated.rst: Add uninitialized_var()") Cc: Kees Cook Cc: Gustavo A. R. Silva Signed-off-by: Denis Efremov Signed-off-by: Julia Lawall