From: Li Zhong <floridsleeves@gmail.com>
To: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org
Cc: damien.lemoal@opensource.wdc.com, Li Zhong <floridsleeves@gmail.com>
Subject: [PATCH v1] drivers/ata/libata-core: check return value of sata_scr_read()
Date: Sun, 28 Aug 2022 13:44:43 -0700 [thread overview]
Message-ID: <20220828204443.1954661-1-floridsleeves@gmail.com> (raw)
sata_scr_read() could return 0 on failure. Check the return value.
Signed-off-by: Li Zhong <floridsleeves@gmail.com>
---
drivers/ata/libata-core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 826d41f341e4..ae08c7d35cb0 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3021,7 +3021,8 @@ static void sata_print_link_status(struct ata_link *link)
if (sata_scr_read(link, SCR_STATUS, &sstatus))
return;
- sata_scr_read(link, SCR_CONTROL, &scontrol);
+ if (sata_scr_read(link, SCR_CONTROL, &scontrol))
+ return;
if (ata_phys_link_online(link)) {
tmp = (sstatus >> 4) & 0xf;
--
2.25.1
next reply other threads:[~2022-08-28 20:45 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-28 20:44 Li Zhong [this message]
2022-08-30 1:38 ` Damien Le Moal
2022-09-03 23:05 ` Li Zhong
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