diff options
| author | Julia Lawall <Julia.Lawall@lip6.fr> | 2012-04-05 14:25:10 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-04-05 15:25:50 -0700 |
| commit | 9b3ae64be658a573b33d05a8dc73b08d3345fa44 (patch) | |
| tree | 233faed7d0210858ac940385548665b4a8644be6 /scripts | |
| parent | 20955e891d828b2027281fe3295dae6af8e0423b (diff) | |
| download | lwn-9b3ae64be658a573b33d05a8dc73b08d3345fa44.tar.gz lwn-9b3ae64be658a573b33d05a8dc73b08d3345fa44.zip | |
scripts/coccinelle/api/simple_open.cocci: semantic patch for simple_open()
Find instances of an open-coded simple_open() and replace them with
calls to simple_open().
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Reported-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/coccinelle/api/simple_open.cocci | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/scripts/coccinelle/api/simple_open.cocci b/scripts/coccinelle/api/simple_open.cocci new file mode 100644 index 000000000000..05962f7be155 --- /dev/null +++ b/scripts/coccinelle/api/simple_open.cocci @@ -0,0 +1,70 @@ +/// This removes an open coded simple_open() function +/// and replaces file operations references to the function +/// with simple_open() instead. +/// +// Confidence: High +// Comments: +// Options: -no_includes -include_headers + +virtual patch +virtual report + +@ open depends on patch @ +identifier open_f != simple_open; +identifier i, f; +@@ +-int open_f(struct inode *i, struct file *f) +-{ +( +-if (i->i_private) +-f->private_data = i->i_private; +| +-f->private_data = i->i_private; +) +-return 0; +-} + +@ has_open depends on open @ +identifier fops; +identifier open.open_f; +@@ +struct file_operations fops = { +..., +-.open = open_f, ++.open = simple_open, +... +}; + +@ openr depends on report @ +identifier open_f != simple_open; +identifier i, f; +position p; +@@ +int open_f@p(struct inode *i, struct file *f) +{ +( +if (i->i_private) +f->private_data = i->i_private; +| +f->private_data = i->i_private; +) +return 0; +} + +@ has_openr depends on openr @ +identifier fops; +identifier openr.open_f; +position p; +@@ +struct file_operations fops = { +..., +.open = open_f@p, +... +}; + +@script:python@ +pf << openr.p; +ps << has_openr.p; +@@ + +coccilib.report.print_report(pf[0],"WARNING opportunity for simple_open, see also structure on line %s"%(ps[0].line)) |