X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fs390%2Fchar%2Fsclp_chp.c;h=c68f5e7e63a08a694a61fa54507bad3be20811e6;hb=0b776eb5426752d4e53354ac89e3710d857e09a7;hp=a66b914519b5c7dfeb74d780ff60148c870786e5;hpb=5f757f91e70a97eda8f0cc13bddc853209b2d173;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/s390/char/sclp_chp.c b/drivers/s390/char/sclp_chp.c
index a66b914519b..c68f5e7e63a 100644
--- a/drivers/s390/char/sclp_chp.c
+++ b/drivers/s390/char/sclp_chp.c
@@ -55,6 +55,8 @@ static int do_configure(sclp_cmdw_t cmd)
 	struct chp_cfg_data *data;
 	int rc;
 
+	if (!SCLP_HAS_CHP_RECONFIG)
+		return -EOPNOTSUPP;
 	/* Prepare sccb. */
 	data = (struct chp_cfg_data *) get_zeroed_page(GFP_KERNEL | GFP_DMA);
 	if (!data)
@@ -152,6 +154,8 @@ int sclp_chp_read_info(struct sclp_chp_info *info)
 	struct chp_info_data *data;
 	int rc;
 
+	if (!SCLP_HAS_CHP_INFO)
+		return -EOPNOTSUPP;
 	/* Prepare sccb. */
 	data = (struct chp_info_data *) get_zeroed_page(GFP_KERNEL | GFP_DMA);
 	if (!data)