On Tue, Jan 16, 2018 at 03:01:49PM +0000, Eremin, Dmitry wrote:
> In the original commit 4d99b2581effe115376402e710fbcb1c3c073769
Please use the documented way to write this:
4d99b2581eff ("staging: lustre: avoid intensive reconnecting for
ko2iblnd")
> was missed one hunk. Added it now to avoid issue with use after free.
And I do not understand this commit message at all.
>
> Signed-off-by: Dmitry Eremin <dmitry.ere...@intel.com>
> ---
> drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
> b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
> index 2ebc484..a15a625 100644
> --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
> +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
> @@ -890,7 +890,8 @@ void kiblnd_destroy_conn(struct kib_conn *conn, bool
> free_conn)
> atomic_dec(&net->ibn_nconns);
> }
>
> - kfree(conn);
> + if (free_conn)
> + kfree(conn);
This looks really odd, don't you think?
thanks,
greg k-h
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