[PATCH] regmap: debugfs: Work around GCC flow analysis false positives

From: Mark Brown
Date: Sat Jan 26 2013 - 05:01:16 EST


Reported-by: Vincent Stehlà <v-stehle@xxxxxx>
Reported-by: Arnd Bergmann <arnd@xxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
---
drivers/base/regmap/regmap-debugfs.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index d9a6c94..c6dc2e9 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -133,6 +133,13 @@ static unsigned int regmap_debugfs_get_dump_start(struct regmap *map,
return base;
}

+ /*
+ * Work around GCC flow analysis - it can't figure out we have
+ * at least one loop iteration.
+ */
+ *pos = c->min;
+ ret = c->base_reg;
+
/* Find the relevant block */
list_for_each_entry(c, &map->debugfs_off_cache, list) {
if (from >= c->min && from <= c->max) {
--
1.7.10.4

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