Add error handling to the sd_read(), ensuring that the memcpy() is

only performed when the read operation is successful.

Fixes: 554c0a3abf21 ("staging: Add rtl8723bs sdio wifi driver")

Signed-off-by: Wentao Liang <vulab@iscas.ac.cn>

---

drivers/staging/rtl8723bs/hal/sdio_ops.c | 8 +++++---

1 file changed, 5 insertions(+), 3 deletions(-)

        ftaddr &= ~(u16)0x3;

-        sd_read(intfhdl, ftaddr, 8, tmpbuf);

-        memcpy(&le_tmp, tmpbuf + shift, 4);

-        val = le32_to_cpu(le_tmp);

+            memcpy(&le_tmp, tmpbuf + shift, 4);

+            val = le32_to_cpu(le_tmp);

+        }

        kfree(tmpbuf);

    }

--

2.42.0.windows.2