module: Fix NULL vs IS_ERR checking for module_get_next_page

The module_get_next_page() function return error pointers on error
instead of NULL.
Use IS_ERR() to check the return value to fix this.

Fixes: b1ae6dc41e ("module: add in-kernel support for decompressing")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
This commit is contained in:
Miaoqian Lin 2022-11-10 06:58:34 +04:00 committed by Luis Chamberlain
parent 96a1a2412a
commit 45af1d7aae

View File

@ -114,8 +114,8 @@ static ssize_t module_gzip_decompress(struct load_info *info,
do {
struct page *page = module_get_next_page(info);
if (!page) {
retval = -ENOMEM;
if (IS_ERR(page)) {
retval = PTR_ERR(page);
goto out_inflate_end;
}
@ -173,8 +173,8 @@ static ssize_t module_xz_decompress(struct load_info *info,
do {
struct page *page = module_get_next_page(info);
if (!page) {
retval = -ENOMEM;
if (IS_ERR(page)) {
retval = PTR_ERR(page);
goto out;
}