linux-kernel - [GIT PULL 05/58] lightnvm: pblk: fix error path in pblk_lines_alloc

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Message-Id: <20171013124647.32668-6-m@bjorling.me>
Date:   Fri, 13 Oct 2017 14:45:54 +0200
From:   Matias Bjørling <m@...rling.me>
To:     axboe@...com
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Rakesh Pandit <rakesh@...era.com>,
        Matias Bjørling <m@...rling.me>
Subject: [GIT PULL 05/58] lightnvm: pblk: fix error path in pblk_lines_alloc_metadata

From: Rakesh Pandit <rakesh@...era.com>

Use appropriate memory free calls based on allocation type used and
also fix number of times free is called if kmalloc fails.

Signed-off-by: Rakesh Pandit <rakesh@...era.com>
Reviewed-by: Javier González <javier@...xlabs.com>
Signed-off-by: Matias Bjørling <m@...rling.me>
---
 drivers/lightnvm/pblk-init.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c
index 6df65d1..05665a7 100644
--- a/drivers/lightnvm/pblk-init.c
+++ b/drivers/lightnvm/pblk-init.c
@@ -630,7 +630,10 @@ static int pblk_lines_alloc_metadata(struct pblk *pblk)
 
 fail_free_emeta:
 	while (--i >= 0) {
-		vfree(l_mg->eline_meta[i]->buf);
+		if (l_mg->emeta_alloc_type == PBLK_VMALLOC_META)
+			vfree(l_mg->eline_meta[i]->buf);
+		else
+			kfree(l_mg->eline_meta[i]->buf);
 		kfree(l_mg->eline_meta[i]);
 	}
 
-- 
2.9.3