[PATCH 4.16 192/279] drm/omap: silence unititialized variable warning

[Greg Kroah-Hartman]

4.16-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

[ Upstream commit 4a9fbfcab19d3f71ad2bf0bcb653c4ee84e69c7f ]

Smatch complains that "area_free" could be used without being
initialized.  This code is several years old and premusably works fine
so this can't be a very serious bug.  But it's easy enough to silence
the warning.  If "area_free" is false at the end of the function then
we return -ENOMEM.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20180418142937.GA13828@mwanda
Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/omapdrm/tcm-sita.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/omapdrm/tcm-sita.c
+++ b/drivers/gpu/drm/omapdrm/tcm-sita.c
@@ -90,7 +90,7 @@ static int l2r_t2b(uint16_t w, uint16_t
 {
 	int i;
 	unsigned long index;
-	bool area_free;
+	bool area_free = false;
 	unsigned long slots_per_band = PAGE_SIZE / slot_bytes;
 	unsigned long bit_offset = (offset > 0) ? offset / slot_bytes : 0;
 	unsigned long curr_bit = bit_offset;