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Groups > linux.kernel > #1299142 > unrolled thread
| Started by | Insu Yun <wuninsu@gmail.com> |
|---|---|
| First post | 2015-12-29 22:20 +0100 |
| Last post | 2016-01-01 03:40 +0100 |
| Articles | 2 — 2 participants |
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[PATCH] ata: correctly handling failed allocation Insu Yun <wuninsu@gmail.com> - 2015-12-29 22:20 +0100
Re: [PATCH] ata: correctly handling failed allocation Tejun Heo <tj@kernel.org> - 2016-01-01 03:40 +0100
| From | Insu Yun <wuninsu@gmail.com> |
|---|---|
| Date | 2015-12-29 22:20 +0100 |
| Subject | [PATCH] ata: correctly handling failed allocation |
| Message-ID | <qL9Qt-5OI-1@gated-at.bofh.it> |
Since kzalloc can be failed in memory pressure, return error when failed.
Signed-off-by: Insu Yun <wuninsu@gmail.com>
---
drivers/ata/sata_sx4.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c
index fab504f..48301cb 100644
--- a/drivers/ata/sata_sx4.c
+++ b/drivers/ata/sata_sx4.c
@@ -1396,6 +1396,8 @@ static unsigned int pdc20621_dimm_init(struct ata_host *host)
addr = 0;
length = size * 1024 * 1024;
buf = kzalloc(ECC_ERASE_BUF_SZ, GFP_KERNEL);
+ if (!buf)
+ return 1;
while (addr < length) {
pdc20621_put_to_dimm(host, buf, addr,
ECC_ERASE_BUF_SZ);
--
1.9.1
--
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| From | Tejun Heo <tj@kernel.org> |
|---|---|
| Date | 2016-01-01 03:40 +0100 |
| Message-ID | <qLXNg-4bs-3@gated-at.bofh.it> |
| In reply to | #1299142 |
On Tue, Dec 29, 2015 at 04:21:15PM -0500, Insu Yun wrote: > Since kzalloc can be failed in memory pressure, return error when failed. > > Signed-off-by: Insu Yun <wuninsu@gmail.com> Applied to libata/for-4.5. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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