When ms_read_extra_data fails, the data read in "extra" buffer is
just incorrect and thus should be used. However, "extra" is used
in multiple places no matter ms_read_extra_data() fails or not.
The fix checks the status of ms_read_extra_data() and returns with
an error code upon its failure.
Signed-off-by: Kangjie Lu <k...@umn.edu>
---
drivers/staging/rts5208/ms.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/rts5208/ms.c b/drivers/staging/rts5208/ms.c
index f53adf15c685..03b359ec69e6 100644
--- a/drivers/staging/rts5208/ms.c
+++ b/drivers/staging/rts5208/ms.c
@@ -1676,7 +1676,9 @@ static int ms_copy_page(struct rtsx_chip *chip, u16
old_blk, u16 new_blk,
return STATUS_FAIL;
}
- ms_read_extra_data(chip, old_blk, i, extra, MS_EXTRA_SIZE);
+ retval = ms_read_extra_data(chip, old_blk, i, extra,
MS_EXTRA_SIZE);
+ if (retval != STATUS_SUCCESS)
+ return STATUS_FAIL;
retval = ms_set_rw_reg_addr(chip, OverwriteFlag,
MS_EXTRA_SIZE, SystemParm, 6);
--
2.17.1
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