X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fs390%2Fchar%2Fsclp_chp.c;h=c68f5e7e63a08a694a61fa54507bad3be20811e6;hb=bbbd2bf00bab467cff7b1f418b2cb24c71291f59;hp=a66b914519b5c7dfeb74d780ff60148c870786e5;hpb=ded1504dfa0083661fdd1a0a5f021cb7313ffe04;p=linux-2.6

diff --git a/drivers/s390/char/sclp_chp.c b/drivers/s390/char/sclp_chp.c
index a66b914519..c68f5e7e63 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)