linux-kernel - [PATCH 4/6] mtd: docg3: Don't leak docg3->bbt in error path

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Date:	Mon,  1 Jun 2015 23:10:52 +0200
From:	Richard Weinberger <richard@....at>
To:	computersforpeace@...il.com
Cc:	dwmw2@...radead.org, maximlevitsky@...il.com,
	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Richard Weinberger <richard@....at>
Subject: [PATCH 4/6] mtd: docg3: Don't leak docg3->bbt in error path

Signed-off-by: Richard Weinberger <richard@....at>
---
 drivers/mtd/devices/docg3.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c
index be5fb2b..486936b 100644
--- a/drivers/mtd/devices/docg3.c
+++ b/drivers/mtd/devices/docg3.c
@@ -1900,7 +1900,7 @@ doc_probe_device(struct docg3_cascade *cascade, int floor, struct device *dev)
 
 	ret = 0;
 	if (chip_id != (u16)(~chip_id_inv)) {
-		goto nomem3;
+		goto nomem4;
 	}
 
 	switch (chip_id) {
@@ -1910,7 +1910,7 @@ doc_probe_device(struct docg3_cascade *cascade, int floor, struct device *dev)
 		break;
 	default:
 		doc_err("Chip id %04x is not a DiskOnChip G3 chip\n", chip_id);
-		goto nomem3;
+		goto nomem4;
 	}
 
 	doc_set_driver_info(chip_id, mtd);
@@ -1919,6 +1919,8 @@ doc_probe_device(struct docg3_cascade *cascade, int floor, struct device *dev)
 	doc_reload_bbt(docg3);
 	return mtd;
 
+nomem4:
+	kfree(docg3->bbt);
 nomem3:
 	kfree(mtd);
 nomem2:
-- 
1.8.4.5

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