Use ERR_CAST() as it is designed for casting an error pointer to
another type.
This macro utilizes the __force and __must_check modifiers, which instruct
the compiler to verify for errors at the locations where it is employed.
Signed-off-by: Shen Lichuan <shenlichuan@vivo.com>
---
drivers/xen/xenbus/xenbus_xs.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c
index 028a182bcc9e..d32c726f7a12 100644
--- a/drivers/xen/xenbus/xenbus_xs.c
+++ b/drivers/xen/xenbus/xenbus_xs.c
@@ -427,12 +427,12 @@ char **xenbus_directory(struct xenbus_transaction t,
path = join(dir, node);
if (IS_ERR(path))
- return (char **)path;
+ return ERR_CAST(path);
strings = xs_single(t, XS_DIRECTORY, path, &len);
kfree(path);
if (IS_ERR(strings))
- return (char **)strings;
+ return ERR_CAST(strings);
return split(strings, len, num);
}
@@ -465,7 +465,7 @@ void *xenbus_read(struct xenbus_transaction t,
path = join(dir, node);
if (IS_ERR(path))
- return (void *)path;
+ return ERR_CAST(path);
ret = xs_single(t, XS_READ, path, len);
kfree(path);
--
2.17.1