* [PATCH] staging: mt7621-pinctrl: init *map to NULL for correct memory assignation
@ 2018-07-09 4:52 Sergio Paracuellos
0 siblings, 0 replies; only message in thread
From: Sergio Paracuellos @ 2018-07-09 4:52 UTC (permalink / raw)
To: gregkh; +Cc: neil, driverdev-devel
pinctrl_utils_reserve_map() calls krealloc() on *map. Because of this
*map need to be initialized to NULL before calling it.
Fixes: 62b6215c11ea ("staging: mt7621-pinctrl: make use of pinctrl_utils_reserve_map")
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
---
drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c b/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c
index 7025942..c223ecb 100644
--- a/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c
+++ b/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c
@@ -88,6 +88,7 @@ static int rt2880_pinctrl_dt_node_to_map(struct pinctrl_dev *pctrldev,
for_each_node_with_property(np_config, "group")
ngroups++;
+ *map = NULL;
ret = pinctrl_utils_reserve_map(pctrldev, map, &reserved_maps,
num_maps, ngroups);
if (ret) {
--
2.7.4
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2018-07-09 4:52 [PATCH] staging: mt7621-pinctrl: init *map to NULL for correct memory assignation Sergio Paracuellos
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