From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-Id: <20090814112617.964417879@de.ibm.com> References: <20090814112517.982007860@de.ibm.com> Date: Fri, 14 Aug 2009 13:25:40 +0200 From: Martin Schwidefsky Subject: [patch 23/34] kernel: Convert upper case scpdata to lower case Content-Disposition: inline; filename=122-scpdata-lower-case.diff Sender: linux-kernel-owner@vger.kernel.org List-Archive: List-Post: To: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org Cc: Heiko Carstens , Hendrik Brueckner , Martin Schwidefsky List-ID: From: Hendrik Brueckner If the CP SET LOADDEV on the 3215 console has been used to specify SCPdata, all data is converted to upper case letters. When scpdata contains upper case letters only, convert all letters to lower case. Signed-off-by: Hendrik Brueckner Signed-off-by: Martin Schwidefsky --- arch/s390/kernel/ipl.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) Index: quilt-2.6/arch/s390/kernel/ipl.c =================================================================== --- quilt-2.6.orig/arch/s390/kernel/ipl.c +++ quilt-2.6/arch/s390/kernel/ipl.c @@ -340,19 +340,28 @@ size_t reipl_append_ascii_scpdata(char * { size_t count; size_t i; + int has_lowercase; count = min(size - 1, scpdata_length(ipb->ipl_info.fcp.scp_data, ipb->ipl_info.fcp.scp_data_len)); if (!count) goto out; - for (i = 0; i < count; i++) + has_lowercase = 0; + for (i = 0; i < count; i++) { if (!isascii(ipb->ipl_info.fcp.scp_data[i])) { count = 0; goto out; } + if (!has_lowercase && islower(ipb->ipl_info.fcp.scp_data[i])) + has_lowercase = 1; + } - memcpy(dest, ipb->ipl_info.fcp.scp_data, count); + if (has_lowercase) + memcpy(dest, ipb->ipl_info.fcp.scp_data, count); + else + for (i = 0; i < count; i++) + dest[i] = tolower(ipb->ipl_info.fcp.scp_data[i]); out: dest[count] = '\0'; return count; -- blue skies, Martin. "Reality continues to ruin my life." - Calvin.