We dereference "maskptr" unconditionally at the start of the function
and also inside the call to parse_tlist() towards the end of the
function. This function is called from store_val_any() and it always
passes a non-NULL pointer.
Signed-off-by: Dan Carpenter <erro...@gmail.com>
diff --git a/drivers/media/video/pvrusb2/pvrusb2-ctrl.c
b/drivers/media/video/pvrusb2/pvrusb2-ctrl.c
index 1b992b8..55ea914 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-ctrl.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-ctrl.c
@@ -513,7 +513,7 @@ int pvr2_ctrl_sym_to_value(struct pvr2_ctrl *cptr,
if (ret >= 0) {
ret = pvr2_ctrl_range_check(cptr,*valptr);
}
- if (maskptr) *maskptr = ~0;
+ *maskptr = ~0;
} else if (cptr->info->type == pvr2_ctl_bool) {
ret = parse_token(ptr,len,valptr,boolNames,
ARRAY_SIZE(boolNames));
@@ -522,7 +522,7 @@ int pvr2_ctrl_sym_to_value(struct pvr2_ctrl *cptr,
} else if (ret == 0) {
*valptr = (*valptr & 1) ? !0 : 0;
}
- if (maskptr) *maskptr = 1;
+ *maskptr = 1;
} else if (cptr->info->type == pvr2_ctl_enum) {
ret = parse_token(
ptr,len,valptr,
@@ -531,7 +531,7 @@ int pvr2_ctrl_sym_to_value(struct pvr2_ctrl *cptr,
if (ret >= 0) {
ret = pvr2_ctrl_range_check(cptr,*valptr);
}
- if (maskptr) *maskptr = ~0;
+ *maskptr = ~0;
} else if (cptr->info->type == pvr2_ctl_bitmask) {
ret = parse_tlist(
ptr,len,maskptr,valptr,
--
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