Commit cad1ca2a authored by Richard Weinberger's avatar Richard Weinberger Committed by Sasha Levin

ubifs: Fix xattr_names length in exit paths

[ Upstream commit 843741c5 ]

When the operation fails we also have to undo the changes
we made to ->xattr_names. Otherwise listxattr() will report
wrong lengths.

Cc: stable@vger.kernel.org
Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
Signed-off-by: default avatarSasha Levin <alexander.levin@verizon.com>
parent dfeb7e4f
......@@ -173,6 +173,7 @@ static int create_xattr(struct ubifs_info *c, struct inode *host,
host_ui->xattr_cnt -= 1;
host_ui->xattr_size -= CALC_DENT_SIZE(nm->len);
host_ui->xattr_size -= CALC_XATTR_BYTES(size);
host_ui->xattr_names -= nm->len;
mutex_unlock(&host_ui->ui_mutex);
out_free:
make_bad_inode(inode);
......@@ -527,6 +528,7 @@ static int remove_xattr(struct ubifs_info *c, struct inode *host,
host_ui->xattr_cnt += 1;
host_ui->xattr_size += CALC_DENT_SIZE(nm->len);
host_ui->xattr_size += CALC_XATTR_BYTES(ui->data_len);
host_ui->xattr_names += nm->len;
mutex_unlock(&host_ui->ui_mutex);
ubifs_release_budget(c, &req);
make_bad_inode(inode);
......
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