[PATCH 1/3] mtd: ssfdc: One function call less in ssfdcr_add_mtd() after error detection

From: Markus Elfring
Date: Wed Dec 27 2023 - 09:45:45 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 27 Dec 2023 13:21:52 +0100

The kfree() function was called in one case by
the ssfdcr_add_mtd() function during error handling
even if the passed data structure member contained a null pointer.
This issue was detected by using the Coccinelle software.

Thus use another label.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/mtd/ssfdc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/ssfdc.c b/drivers/mtd/ssfdc.c
index 211f279a33a9..3ee8535d4515 100644
--- a/drivers/mtd/ssfdc.c
+++ b/drivers/mtd/ssfdc.c
@@ -332,7 +332,7 @@ static void ssfdcr_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
kmalloc_array(ssfdc->map_len,
sizeof(ssfdc->logic_block_map[0]), GFP_KERNEL);
if (!ssfdc->logic_block_map)
- goto out_err;
+ goto out_free_ssfdc;
memset(ssfdc->logic_block_map, 0xff, sizeof(ssfdc->logic_block_map[0]) *
ssfdc->map_len);

@@ -350,6 +350,7 @@ static void ssfdcr_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)

out_err:
kfree(ssfdc->logic_block_map);
+out_free_ssfdc:
kfree(ssfdc);
}

--
2.43.0