diff mbox series

[iproute2-next,v2] lib: fix checking of returned file handle size for cgroup

Message ID 20200705161812.45560-1-zeil@yandex-team.ru
State Accepted
Delegated to: stephen hemminger
Headers show
Series [iproute2-next,v2] lib: fix checking of returned file handle size for cgroup | expand

Commit Message

Dmitry Yakunin July 5, 2020, 4:18 p.m. UTC
Before this patch check is happened only in case when we try to find
cgroup at cgroup2 mount point.

v2:
  - add Fixes line before Signed-off-by (David Ahern)

Fixes: d5e6ee0dac64 ("ss: introduce cgroup2 cache and helper functions")
Signed-off-by: Dmitry Yakunin <zeil@yandex-team.ru>
---
 lib/fs.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

Comments

Stephen Hemminger July 6, 2020, 6:07 p.m. UTC | #1
On Sun,  5 Jul 2020 19:18:12 +0300
Dmitry Yakunin <zeil@yandex-team.ru> wrote:

> Before this patch check is happened only in case when we try to find
> cgroup at cgroup2 mount point.
> 
> v2:
>   - add Fixes line before Signed-off-by (David Ahern)
> 
> Fixes: d5e6ee0dac64 ("ss: introduce cgroup2 cache and helper functions")
> Signed-off-by: Dmitry Yakunin <zeil@yandex-team.ru>
> ---
>  lib/fs.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/lib/fs.c b/lib/fs.c
> index e265fc0..4b90a70 100644
> --- a/lib/fs.c
> +++ b/lib/fs.c
> @@ -148,10 +148,10 @@ __u64 get_cgroup2_id(const char *path)
>  					strerror(errno));
>  			goto out;
>  		}
> -		if (fhp->handle_bytes != sizeof(__u64)) {
> -			fprintf(stderr, "Invalid size of cgroup2 ID\n");
> -			goto out;
> -		}
> +	}
> +	if (fhp->handle_bytes != sizeof(__u64)) {
> +		fprintf(stderr, "Invalid size of cgroup2 ID\n");
> +		goto out;
>  	}
>  
>  	memcpy(cg_id.bytes, fhp->f_handle, sizeof(__u64));

Applied, thanks.
diff mbox series

Patch

diff --git a/lib/fs.c b/lib/fs.c
index e265fc0..4b90a70 100644
--- a/lib/fs.c
+++ b/lib/fs.c
@@ -148,10 +148,10 @@  __u64 get_cgroup2_id(const char *path)
 					strerror(errno));
 			goto out;
 		}
-		if (fhp->handle_bytes != sizeof(__u64)) {
-			fprintf(stderr, "Invalid size of cgroup2 ID\n");
-			goto out;
-		}
+	}
+	if (fhp->handle_bytes != sizeof(__u64)) {
+		fprintf(stderr, "Invalid size of cgroup2 ID\n");
+		goto out;
 	}
 
 	memcpy(cg_id.bytes, fhp->f_handle, sizeof(__u64));