mtd: ssfdc: One function call less in ssfdcr_add_mtd() after error detection
authorMarkus Elfring <elfring@users.sourceforge.net>
Wed, 27 Dec 2023 12:21:52 +0000 (13:21 +0100)
committerMiquel Raynal <miquel.raynal@bootlin.com>
Mon, 5 Feb 2024 13:22:39 +0000 (14:22 +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@users.sourceforge.net>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/56d92e42-db9e-4767-bcb1-9686bdf34a03@web.de
drivers/mtd/ssfdc.c

index 211f279a33a9650a0270bb21df38a004e6b108b7..3ee8535d4515de44c64edb1201fff008b2ad21bf 100644 (file)
@@ -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);
 }