6.12-stable review patch. If anyone has any objections, please let me know.
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From: ZhangPeng zhangpeng362@huawei.com
[ Upstream commit bed2cc482600296fe04edbc38005ba2851449c10 ]
The __filemap_get_folio() function returns error pointers. It never returns NULL. So use IS_ERR() to check it.
Fixes: 1da86618bdce ("fs: Convert aops->write_begin to take a folio") Signed-off-by: ZhangPeng zhangpeng362@huawei.com Acked-by: Johannes Berg johannes@sipsolutions.net Signed-off-by: Richard Weinberger richard@nod.at Signed-off-by: Sasha Levin sashal@kernel.org --- fs/hostfs/hostfs_kern.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c index 6d1cf2436ead6..084f6ed2dd7a6 100644 --- a/fs/hostfs/hostfs_kern.c +++ b/fs/hostfs/hostfs_kern.c @@ -471,8 +471,8 @@ static int hostfs_write_begin(struct file *file, struct address_space *mapping,
*foliop = __filemap_get_folio(mapping, index, FGP_WRITEBEGIN, mapping_gfp_mask(mapping)); - if (!*foliop) - return -ENOMEM; + if (IS_ERR(*foliop)) + return PTR_ERR(*foliop); return 0; }