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| author | Michal Marek <mmarek@suse.cz> | 2010-12-14 22:01:55 +0100 |
|---|---|---|
| committer | Michal Marek <mmarek@suse.cz> | 2010-12-14 22:01:55 +0100 |
| commit | 8990c1bc4be46473ad19bf2fa612ca57286f3df4 (patch) | |
| tree | 3cea60576903a1d26c67e6ec62891b524d390e95 /scripts/coccinelle/iterators/itnull.cocci | |
| parent | 2979076fbf17a0947d6eba367b0cac19c907c160 (diff) | |
| parent | c8ddb2713c624f432fa5fe3c7ecffcdda46ea0d4 (diff) | |
| download | kernel_samsung_smdk4412-8990c1bc4be46473ad19bf2fa612ca57286f3df4.zip kernel_samsung_smdk4412-8990c1bc4be46473ad19bf2fa612ca57286f3df4.tar.gz kernel_samsung_smdk4412-8990c1bc4be46473ad19bf2fa612ca57286f3df4.tar.bz2 | |
Merge commit 'v2.6.37-rc1' into kbuild/kbuild
Diffstat (limited to 'scripts/coccinelle/iterators/itnull.cocci')
| -rw-r--r-- | scripts/coccinelle/iterators/itnull.cocci | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/scripts/coccinelle/iterators/itnull.cocci b/scripts/coccinelle/iterators/itnull.cocci new file mode 100644 index 0000000..baa4297 --- /dev/null +++ b/scripts/coccinelle/iterators/itnull.cocci @@ -0,0 +1,58 @@ +/// Many iterators have the property that the first argument is always bound +/// to a real list element, never NULL. False positives arise for some +/// iterators that do not have this property, or in cases when the loop +/// cursor is reassigned. The latter should only happen when the matched +/// code is on the way to a loop exit (break, goto, or return). +/// +// Confidence: Moderate +// Copyright: (C) 2010 Nicolas Palix, DIKU. GPLv2. +// Copyright: (C) 2010 Julia Lawall, DIKU. GPLv2. +// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6. GPLv2. +// URL: http://coccinelle.lip6.fr/ +// Comments: +// Options: -no_includes -include_headers + +virtual patch + +@@ +iterator I; +expression x,E,E1,E2; +statement S,S1,S2; +@@ + +I(x,...) { <... +( +- if (x == NULL && ...) S +| +- if (x != NULL || ...) + S +| +- (x == NULL) || + E +| +- (x != NULL) && + E +| +- (x == NULL && ...) ? E1 : + E2 +| +- (x != NULL || ...) ? + E1 +- : E2 +| +- if (x == NULL && ...) S1 else + S2 +| +- if (x != NULL || ...) + S1 +- else S2 +| ++ BAD( + x == NULL ++ ) +| ++ BAD( + x != NULL ++ ) +) + ...> }
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