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bcachefs: Fix freeing of error pointers

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This fixes incorrect/missign checking of strndup_user() returns.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-06-22 17:22:24 -04:00
parent bd4da0462e
commit 9bd01500e4
1 changed files with 6 additions and 3 deletions
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9
fs/bcachefs/chardev.c
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@ -216,7 +216,8 @@ static long bch2_ioctl_fsck_offline(struct bch_ioctl_fsck_offline __user *user_a
ret = PTR_ERR_OR_ZERO(optstr) ?:
bch2_parse_mount_opts(NULL, &thr->opts, optstr);
kfree(optstr);
if (!IS_ERR(optstr))
kfree(optstr);
if (ret)
goto err;
@ -319,7 +320,8 @@ static long bch2_ioctl_disk_add(struct bch_fs *c, struct bch_ioctl_disk arg)
return ret;
ret = bch2_dev_add(c, path);
kfree(path);
if (!IS_ERR(path))
kfree(path);
return ret;
}
@ -850,7 +852,8 @@ static long bch2_ioctl_fsck_online(struct bch_fs *c,
ret = PTR_ERR_OR_ZERO(optstr) ?:
bch2_parse_mount_opts(c, &thr->opts, optstr);
kfree(optstr);
if (!IS_ERR(optstr))
kfree(optstr);
if (ret)
goto err;