Commit 3adc73ef authored by Shen Lichuan's avatar Shen Lichuan Committed by Juergen Gross
Browse files

xen/xenbus: Convert to use ERR_CAST() 



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: default avatarShen Lichuan <shenlichuan@vivo.com>
Reviewed-by: default avatarJuergen Gross <jgross@suse.com>
Message-ID: <20240829084710.30312-1-shenlichuan@vivo.com>
Signed-off-by: default avatarJuergen Gross <jgross@suse.com>
parent fbe5a6df

drivers/xen/xenbus/xenbus_xs.c

+3 −3
Original line number Diff line number Diff line
@@ -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);