lkml.org 
[lkml]   [2017]   [Sep]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/6] lightnvm: pblk: check for failed mempool alloc.
Date
Check for failed mempool allocations and act accordingly.

Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <matias@cnexlabs.com>
---
drivers/lightnvm/pblk-core.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
index 81501644fb15..acb07bbcb416 100644
--- a/drivers/lightnvm/pblk-core.c
+++ b/drivers/lightnvm/pblk-core.c
@@ -165,6 +165,8 @@ struct nvm_rq *pblk_alloc_rqd(struct pblk *pblk, int rw)
}

rqd = mempool_alloc(pool, GFP_KERNEL);
+ if (!rqd)
+ return NULL;
memset(rqd, 0, rq_size);

return rqd;
@@ -1478,6 +1480,8 @@ int pblk_blk_erase_async(struct pblk *pblk, struct ppa_addr ppa)
int err;

rqd = mempool_alloc(pblk->g_rq_pool, GFP_KERNEL);
+ if (!rqd)
+ return -ENOMEM;
memset(rqd, 0, pblk_g_rq_size);

pblk_setup_e_rq(pblk, rqd, ppa);
--
2.7.4
\
 
 \ /
  Last update: 2017-09-06 17:04    [W:0.159 / U:2.008 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site