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authorGao Xiang <gaoxiang25@huawei.com>2018-09-19 13:49:10 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-09-20 12:25:36 +0200
commit6614f76530c102a3b55e2355645385ab124cdcb2 (patch)
treefb115b94ddb2d224b5b4fa4ef33205faabffca6f /drivers
parentbdf30cef10558d2158952c27bd18c16fe72b58d5 (diff)
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staging: erofs: simplify return value of `xattr_foreach'
As Dan Carpenter pointed out, there is no need to propagate positive return values back to its callers. Suggested-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Gao Xiang <gaoxiang25@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/staging/erofs/xattr.c24
1 files changed, 9 insertions, 15 deletions
diff --git a/drivers/staging/erofs/xattr.c b/drivers/staging/erofs/xattr.c
index 7b1367e84cb5..80dca6a4adbe 100644
--- a/drivers/staging/erofs/xattr.c
+++ b/drivers/staging/erofs/xattr.c
@@ -268,7 +268,7 @@ static int xattr_foreach(struct xattr_iter *it,
out:
/* xattrs should be 4-byte aligned (on-disk constraint) */
it->ofs = EROFS_XATTR_ALIGN(it->ofs);
- return err;
+ return err < 0 ? err : 0;
}
struct getxattr_iter {
@@ -333,15 +333,12 @@ static int inline_getxattr(struct inode *inode, struct getxattr_iter *it)
remaining = ret;
while (remaining) {
ret = xattr_foreach(&it->it, &find_xattr_handlers, &remaining);
- if (ret >= 0)
- break;
-
- if (ret != -ENOATTR) /* -ENOMEM, -EIO, etc. */
+ if (ret != -ENOATTR)
break;
}
xattr_iter_end_final(&it->it);
- return ret < 0 ? ret : it->buffer_size;
+ return ret ? ret : it->buffer_size;
}
static int shared_getxattr(struct inode *inode, struct getxattr_iter *it)
@@ -371,16 +368,13 @@ static int shared_getxattr(struct inode *inode, struct getxattr_iter *it)
}
ret = xattr_foreach(&it->it, &find_xattr_handlers, NULL);
- if (ret >= 0)
- break;
-
- if (ret != -ENOATTR) /* -ENOMEM, -EIO, etc. */
+ if (ret != -ENOATTR)
break;
}
if (vi->xattr_shared_count)
xattr_iter_end_final(&it->it);
- return ret < 0 ? ret : it->buffer_size;
+ return ret ? ret : it->buffer_size;
}
static bool erofs_xattr_user_list(struct dentry *dentry)
@@ -567,11 +561,11 @@ static int inline_listxattr(struct listxattr_iter *it)
remaining = ret;
while (remaining) {
ret = xattr_foreach(&it->it, &list_xattr_handlers, &remaining);
- if (ret < 0)
+ if (ret)
break;
}
xattr_iter_end_final(&it->it);
- return ret < 0 ? ret : it->buffer_ofs;
+ return ret ? ret : it->buffer_ofs;
}
static int shared_listxattr(struct listxattr_iter *it)
@@ -601,13 +595,13 @@ static int shared_listxattr(struct listxattr_iter *it)
}
ret = xattr_foreach(&it->it, &list_xattr_handlers, NULL);
- if (ret < 0)
+ if (ret)
break;
}
if (vi->xattr_shared_count)
xattr_iter_end_final(&it->it);
- return ret < 0 ? ret : it->buffer_ofs;
+ return ret ? ret : it->buffer_ofs;
}
ssize_t erofs_listxattr(struct dentry *dentry,