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| author | Rabin Vincent <rabin@rab.in> | 2010-11-23 22:08:18 +0530 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2010-11-23 16:30:32 -0200 |
| commit | 02a9d03772aa1ff33a26180a2da0bfb191240eda (patch) | |
| tree | 99d0c8789c22f32e8aad42824b00c5fdd2af5269 /tools | |
| parent | c1a3a4b90a5a47adcca0e587f5d7e9ea61329b26 (diff) | |
| download | linux-stable-02a9d03772aa1ff33a26180a2da0bfb191240eda.tar.gz linux-stable-02a9d03772aa1ff33a26180a2da0bfb191240eda.tar.bz2 linux-stable-02a9d03772aa1ff33a26180a2da0bfb191240eda.zip | |
perf symbols: Remove incorrect open-coded container_of()
At least on ARM, padding is inserted between rb_node and sym in struct
symbol_name_rb_node, causing "((void *)sym) - sizeof(struct rb_node)" to
point inside rb_node rather than to the symbol_name_rb_node. Fix this
by converting the code to use container_of().
Cc: Ian Munsie <imunsie@au1.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Ming Lei <tom.leiming@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <20101123163106.GA25677@debian>
Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/symbol.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index b39f499e575a..0500895a45af 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -295,7 +295,9 @@ static void symbols__insert_by_name(struct rb_root *self, struct symbol *sym) { struct rb_node **p = &self->rb_node; struct rb_node *parent = NULL; - struct symbol_name_rb_node *symn = ((void *)sym) - sizeof(*parent), *s; + struct symbol_name_rb_node *symn, *s; + + symn = container_of(sym, struct symbol_name_rb_node, sym); while (*p != NULL) { parent = *p; |