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fs/squashfs: fix sqfs_read_sblk()

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Setting sblk = NULL has no effect on the caller.
We want to set *sblk = NULL if an error occurrs to avoid usage after free.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
This commit is contained in:
Heinrich Schuchardt 2022-05-10 21:53:25 +02:00 committed by Tom Rini
parent 89ab1e2817
commit 84378d5c86
1 changed files with 1 additions and 1 deletions
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2
fs/squashfs/sqfs.c
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@ -49,7 +49,7 @@ static int sqfs_read_sblk(struct squashfs_super_block **sblk)
if (sqfs_disk_read(0, 1, *sblk) != 1) { if (sqfs_disk_read(0, 1, *sblk) != 1) {
free(*sblk); free(*sblk);
sblk = NULL; *sblk = NULL;
return -EINVAL; return -EINVAL;
} }