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authorJavier González <jg@lightnvm.io>2017-04-22 02:32:47 +0300
committerJens Axboe <axboe@fb.com>2017-04-24 01:57:52 +0300
commit33db9fd46ea8e3e6d4757d99a3f97bd1a0c919f3 (patch)
treee208433154c5ed4f4bbe9ede6eed20032324b6a4 /drivers/lightnvm
parentf3236cef5a206c27a624b8a813ddc1ebc4c6637a (diff)
downloadlinux-33db9fd46ea8e3e6d4757d99a3f97bd1a0c919f3.tar.xz
lightnvm: pblk: fix memory leak on error path
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> Reviewed-by: Matias Bjørling <matias@cnexlabs.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/lightnvm')
-rw-r--r--drivers/lightnvm/pblk-write.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/lightnvm/pblk-write.c b/drivers/lightnvm/pblk-write.c
index 74f7413a6b20..a896190c82f0 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;
}