* [PATCH] rts5208: Add a check on the status of ms_send_cmd
@ 2018-12-24 15:55 Aditya Pakki
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From: Aditya Pakki @ 2018-12-24 15:55 UTC (permalink / raw)
To: pakki001
Cc: kjlu, Greg Kroah-Hartman, Dan Carpenter, Kees Cook, Aymen Qader,
Arnd Bergmann, devel, linux-kernel
In mspro_stop_seq_mode(), ms_send_cmd() may fail. The patch attempts
to detect a failure before flushing the registers via rtsx_write_register.
Signed-off-by: Aditya Pakki <pakki001@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..04b588b8b376 100644
--- a/drivers/staging/rts5208/ms.c
+++ b/drivers/staging/rts5208/ms.c
@@ -2586,7 +2586,9 @@ void mspro_stop_seq_mode(struct rtsx_chip *chip)
ms_card->seq_mode = 0;
ms_card->total_sec_cnt = 0;
- ms_send_cmd(chip, PRO_STOP, WAIT_INT);
+ retval = ms_send_cmd(chip, PRO_STOP, WAIT_INT);
+ if (retval != STATUS_SUCCESS)
+ return;
rtsx_write_register(chip, RBCTL, RB_FLUSH, RB_FLUSH);
}
--
2.17.1
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2018-12-24 15:55 [PATCH] rts5208: Add a check on the status of ms_send_cmd Aditya Pakki
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