drivers/media/dvb-frontends/drx39xyj/drxj.c: In function 
‘drxj_dap_scu_atomic_read_reg16’:
drivers/media/dvb-frontends/drx39xyj/drxj.c:4170:9: warning: ‘*((void 
*)&buf+1)’ may be used uninitialized in this function [-Wmaybe-uninitialized]
  word = (u16) (buf[0] + (buf[1] << 8));
         ^
drivers/media/dvb-frontends/drx39xyj/drxj.c:4170:9: warning: ‘buf’ may be used 
uninitialized in this function [-Wmaybe-uninitialized]
drivers/media/dvb-frontends/drx39xyj/drxj.c: In function 
‘drxj_dap_atomic_read_reg32.isra.59’:
drivers/media/dvb-frontends/drx39xyj/drxj.c:2186:7: warning: ‘*((void 
*)&buf+3)’ may be used uninitialized in this function [-Wmaybe-uninitialized]
  word = (u32) buf[3];
       ^
drivers/media/dvb-frontends/drx39xyj/drxj.c:2188:10: warning: ‘*((void 
*)&buf+2)’ may be used uninitialized in this function [-Wmaybe-uninitialized]
  word |= (u32) buf[2];
          ^
drivers/media/dvb-frontends/drx39xyj/drxj.c:2190:10: warning: ‘*((void 
*)&buf+1)’ may be used uninitialized in this function [-Wmaybe-uninitialized]
  word |= (u32) buf[1];
          ^
drivers/media/dvb-frontends/drx39xyj/drxj.c:2192:10: warning: ‘buf’ may be used 
uninitialized in this function [-Wmaybe-uninitialized]
  word |= (u32) buf[0];
          ^

Signed-off-by: Mauro Carvalho Chehab <m.che...@samsung.com>
---
 drivers/media/dvb-frontends/drx39xyj/drxj.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/media/dvb-frontends/drx39xyj/drxj.c 
b/drivers/media/dvb-frontends/drx39xyj/drxj.c
index bb67edeb5121..d51cea9bc5eb 100644
--- a/drivers/media/dvb-frontends/drx39xyj/drxj.c
+++ b/drivers/media/dvb-frontends/drx39xyj/drxj.c
@@ -2183,6 +2183,9 @@ int drxj_dap_atomic_read_reg32(struct i2c_device_addr 
*dev_addr,
        rc = drxj_dap_atomic_read_write_block(dev_addr, addr,
                                           sizeof(*data), buf, true);
 
+       if (rc < 0)
+               return 0;
+
        word = (u32) buf[3];
        word <<= 8;
        word |= (u32) buf[2];
@@ -4166,6 +4169,8 @@ int drxj_dap_scu_atomic_read_reg16(struct i2c_device_addr 
*dev_addr,
        }
 
        rc = drxj_dap_scu_atomic_read_write_block(dev_addr, addr, 2, buf, true);
+       if (rc < 0)
+               return rc;
 
        word = (u16) (buf[0] + (buf[1] << 8));
 
-- 
1.8.5.3

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