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authorGao Xiang <gaoxiang25@huawei.com>2019-08-29 20:17:41 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-08-30 10:02:10 +0300
commit097a802ae15e2c6d17256a6fe0712a655ba10823 (patch)
tree880a9dc3a415d9018099694e7f996fe676039add /fs
parent8d8a09b093d7073465c824f74caf315c073d3875 (diff)
downloadlinux-097a802ae15e2c6d17256a6fe0712a655ba10823.tar.xz
erofs: reduntant assignment in __erofs_get_meta_page()
As Joe Perches suggested [1], err = bio_add_page(bio, page, PAGE_SIZE, 0); - if (unlikely(err != PAGE_SIZE)) { + if (err != PAGE_SIZE) { err = -EFAULT; goto err_out; } The initial assignment to err is odd as it's not actually an error value -E<FOO> but a int size from a unsigned int len. Here the return is either 0 or PAGE_SIZE. This would be more legible to me as: if (bio_add_page(bio, page, PAGE_SIZE, 0) != PAGE_SIZE) { err = -EFAULT; goto err_out; } [1] https://lore.kernel.org/r/74c4784319b40deabfbaea92468f7e3ef44f1c96.camel@perches.com/ Signed-off-by: Gao Xiang <gaoxiang25@huawei.com> Link: https://lore.kernel.org/r/20190829171741.225219-1-gaoxiang25@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/erofs/data.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/erofs/data.c b/fs/erofs/data.c
index 0f2f1a839372..0983807737fd 100644
--- a/fs/erofs/data.c
+++ b/fs/erofs/data.c
@@ -69,8 +69,7 @@ repeat:
goto err_out;
}
- err = bio_add_page(bio, page, PAGE_SIZE, 0);
- if (err != PAGE_SIZE) {
+ if (bio_add_page(bio, page, PAGE_SIZE, 0) != PAGE_SIZE) {
err = -EFAULT;
goto err_out;
}