lkml.org 
[lkml]   [2017]   [Apr]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 3/5] lightnvm: pblk: fix memory leak on error path
From
Date


On 04/22/2017 01:32 AM, Javier González wrote:
> When write recovery fails, Free memory for the recovery structure.
>
> Fixes: a4bd217b4326 "lightnvm: physical block device (pblk) target"
>
> Signed-off-by: Javier González <javier@cnexlabs.com>
> ---
> drivers/lightnvm/pblk-write.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/lightnvm/pblk-write.c b/drivers/lightnvm/pblk-write.c
> index 74f7413..a896190 100644
> --- a/drivers/lightnvm/pblk-write.c
> +++ b/drivers/lightnvm/pblk-write.c
> @@ -142,6 +142,7 @@ static void pblk_end_w_fail(struct pblk *pblk, struct nvm_rq *rqd)
> /* Logic error */
> if (bit > c_ctx->nr_valid) {
> WARN_ONCE(1, "pblk: corrupted write request\n");
> + mempool_free(recovery, pblk->rec_pool);
> goto out;
> }
>
> @@ -149,6 +150,7 @@ static void pblk_end_w_fail(struct pblk *pblk, struct nvm_rq *rqd)
> entry = pblk_rb_sync_scan_entry(&pblk->rwb, &ppa);
> if (!entry) {
> pr_err("pblk: could not scan entry on write failure\n");
> + mempool_free(recovery, pblk->rec_pool);
> goto out;
> }
>
> @@ -162,6 +164,7 @@ static void pblk_end_w_fail(struct pblk *pblk, struct nvm_rq *rqd)
> ret = pblk_recov_setup_rq(pblk, c_ctx, recovery, comp_bits, c_entries);
> if (ret) {
> pr_err("pblk: could not recover from write failure\n");
> + mempool_free(recovery, pblk->rec_pool);
> goto out;
> }
>
>
Reviewed-by: Matias Bjørling <matias@cnexlabs.com>

\
 
 \ /
  Last update: 2017-04-22 10:59    [W:0.067 / U:0.056 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site