diff options
Diffstat (limited to 'ANDROID_3.4.5/scripts/coccinelle/api/memdup_user.cocci')
-rw-r--r-- | ANDROID_3.4.5/scripts/coccinelle/api/memdup_user.cocci | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/ANDROID_3.4.5/scripts/coccinelle/api/memdup_user.cocci b/ANDROID_3.4.5/scripts/coccinelle/api/memdup_user.cocci deleted file mode 100644 index 2efac289..00000000 --- a/ANDROID_3.4.5/scripts/coccinelle/api/memdup_user.cocci +++ /dev/null @@ -1,60 +0,0 @@ -/// Use memdup_user rather than duplicating its implementation -/// This is a little bit restricted to reduce false positives -/// -// Confidence: High -// Copyright: (C) 2010-2012 Nicolas Palix. GPLv2. -// Copyright: (C) 2010-2012 Julia Lawall, INRIA/LIP6. GPLv2. -// Copyright: (C) 2010-2012 Gilles Muller, INRIA/LiP6. GPLv2. -// URL: http://coccinelle.lip6.fr/ -// Comments: -// Options: -no_includes -include_headers - -virtual patch -virtual context -virtual org -virtual report - -@depends on patch@ -expression from,to,size,flag; -identifier l1,l2; -@@ - -- to = \(kmalloc\|kzalloc\)(size,flag); -+ to = memdup_user(from,size); - if ( -- to==NULL -+ IS_ERR(to) - || ...) { - <+... when != goto l1; -- -ENOMEM -+ PTR_ERR(to) - ...+> - } -- if (copy_from_user(to, from, size) != 0) { -- <+... when != goto l2; -- -EFAULT -- ...+> -- } - -@r depends on !patch@ -expression from,to,size,flag; -position p; -statement S1,S2; -@@ - -* to = \(kmalloc@p\|kzalloc@p\)(size,flag); - if (to==NULL || ...) S1 - if (copy_from_user(to, from, size) != 0) - S2 - -@script:python depends on org@ -p << r.p; -@@ - -coccilib.org.print_todo(p[0], "WARNING opportunity for memdep_user") - -@script:python depends on report@ -p << r.p; -@@ - -coccilib.report.print_report(p[0], "WARNING opportunity for memdep_user") |