* [dpdk-dev] [PATCH] common/dpaax: fix possible null pointer access
@ 2021-04-21 2:46 Min Hu (Connor)
2021-04-21 12:12 ` Hemant Agrawal
0 siblings, 1 reply; 3+ messages in thread
From: Min Hu (Connor) @ 2021-04-21 2:46 UTC (permalink / raw)
To: dev; +Cc: ferruh.yigit, hemant.agrawal, sachin.saxena
From: Chengwen Feng <fengchengwen@huawei.com>
This patch fixes possible null pointer access when dump iova table.
Fixes: 2f3d633aa593 ("common/dpaax: add library for PA/VA translation table")
Cc: stable@dpdk.org
Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
---
drivers/common/dpaax/dpaax_iova_table.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/common/dpaax/dpaax_iova_table.c b/drivers/common/dpaax/dpaax_iova_table.c
index 91bee65..54f89e1 100644
--- a/drivers/common/dpaax/dpaax_iova_table.c
+++ b/drivers/common/dpaax/dpaax_iova_table.c
@@ -366,8 +366,10 @@ dpaax_iova_table_dump(void)
}
DPAAX_DEBUG(" === Start of PA->VA Translation Table ===");
- if (dpaax_iova_table_p == NULL)
+ if (dpaax_iova_table_p == NULL) {
DPAAX_DEBUG("\tNULL");
+ return;
+ }
entry = dpaax_iova_table_p->entries;
for (i = 0; i < dpaax_iova_table_p->count; i++) {
--
2.7.4
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [dpdk-dev] [PATCH] common/dpaax: fix possible null pointer access
2021-04-21 2:46 [dpdk-dev] [PATCH] common/dpaax: fix possible null pointer access Min Hu (Connor)
@ 2021-04-21 12:12 ` Hemant Agrawal
2021-04-21 15:03 ` Thomas Monjalon
0 siblings, 1 reply; 3+ messages in thread
From: Hemant Agrawal @ 2021-04-21 12:12 UTC (permalink / raw)
To: Min Hu (Connor), dev; +Cc: ferruh.yigit, hemant.agrawal, sachin.saxena
On 4/21/2021 8:16 AM, Min Hu (Connor) wrote:
> From: Chengwen Feng <fengchengwen@huawei.com>
>
> This patch fixes possible null pointer access when dump iova table.
>
> Fixes: 2f3d633aa593 ("common/dpaax: add library for PA/VA translation table")
> Cc: stable@dpdk.org
>
> Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
> Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
> ---
> drivers/common/dpaax/dpaax_iova_table.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/common/dpaax/dpaax_iova_table.c b/drivers/common/dpaax/dpaax_iova_table.c
> index 91bee65..54f89e1 100644
> --- a/drivers/common/dpaax/dpaax_iova_table.c
> +++ b/drivers/common/dpaax/dpaax_iova_table.c
> @@ -366,8 +366,10 @@ dpaax_iova_table_dump(void)
> }
>
> DPAAX_DEBUG(" === Start of PA->VA Translation Table ===");
> - if (dpaax_iova_table_p == NULL)
> + if (dpaax_iova_table_p == NULL) {
> DPAAX_DEBUG("\tNULL");
> + return;
> + }
>
> entry = dpaax_iova_table_p->entries;
> for (i = 0; i < dpaax_iova_table_p->count; i++) {
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [dpdk-dev] [PATCH] common/dpaax: fix possible null pointer access
2021-04-21 12:12 ` Hemant Agrawal
@ 2021-04-21 15:03 ` Thomas Monjalon
0 siblings, 0 replies; 3+ messages in thread
From: Thomas Monjalon @ 2021-04-21 15:03 UTC (permalink / raw)
To: Min Hu (Connor)
Cc: dev, ferruh.yigit, hemant.agrawal, sachin.saxena, hemant.agrawal
21/04/2021 14:12, Hemant Agrawal:
> On 4/21/2021 8:16 AM, Min Hu (Connor) wrote:
> > From: Chengwen Feng <fengchengwen@huawei.com>
> >
> > This patch fixes possible null pointer access when dump iova table.
> >
> > Fixes: 2f3d633aa593 ("common/dpaax: add library for PA/VA translation table")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
> > Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
> Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
Applied, thanks
^ permalink raw reply [flat|nested] 3+ messages in thread
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2021-04-21 2:46 [dpdk-dev] [PATCH] common/dpaax: fix possible null pointer access Min Hu (Connor)
2021-04-21 12:12 ` Hemant Agrawal
2021-04-21 15:03 ` Thomas Monjalon
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