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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-09 08:11:13 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-09 08:11:13 -0800 |
| commit | 72f318897e50c29b91efd1ed24515a93c138a2ba (patch) | |
| tree | 7e7ef8138d5afacd1be4655e4458dc4cee432d1e /arch/s390/kernel/early.c | |
| parent | a0e86bd4252519321b0d102dc4ed90557aa7bee9 (diff) | |
| parent | 2fa1d4fce599809e6bd7d95756709a5faef30710 (diff) | |
| download | kernel-common-72f318897e50c29b91efd1ed24515a93c138a2ba.tar.gz kernel-common-72f318897e50c29b91efd1ed24515a93c138a2ba.tar.bz2 kernel-common-72f318897e50c29b91efd1ed24515a93c138a2ba.zip | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (31 commits)
[S390] disassembler: mark exception causing instructions
[S390] Enable exception traces by default
[S390] return address of compat signals
[S390] sysctl: get rid of dead declaration
[S390] dasd: fix fixpoint divide exception in define_extent
[S390] dasd: add sanity check to detect path connection error
[S390] qdio: fix kernel panic for zfcp 31-bit
[S390] Add s390x description to Documentation/kdump/kdump.txt
[S390] Add VMCOREINFO_SYMBOL(high_memory) to vmcoreinfo
[S390] dasd: fix expiration handling for recovery requests
[S390] outstanding interrupts vs. smp_send_stop
[S390] ipc: call generic sys_ipc demultiplexer
[S390] zcrypt: Fix error return codes.
[S390] zcrypt: Rework length parameter checking.
[S390] cleanup trap handling
[S390] Remove Kerntypes leftovers
[S390] topology: increase poll frequency if change is anticipated
[S390] entry[64].S improvements
[S390] make arch/s390 subdirectories depend on config option
[S390] kvm: move cmf host id constant out of lowcore
...
Fix up conflicts in arch/s390/kernel/{smp.c,topology.c} due to the
sysdev removal clashing with "topology: get rid of ifdefs" which moved
some of that code around.
Diffstat (limited to 'arch/s390/kernel/early.c')
| -rw-r--r-- | arch/s390/kernel/early.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index c9ffe0025197..52098d6dfaa7 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -434,18 +434,22 @@ static void __init append_to_cmdline(size_t (*ipl_data)(char *, size_t)) } } -static void __init setup_boot_command_line(void) +static inline int has_ebcdic_char(const char *str) { int i; - /* convert arch command line to ascii */ - for (i = 0; i < ARCH_COMMAND_LINE_SIZE; i++) - if (COMMAND_LINE[i] & 0x80) - break; - if (i < ARCH_COMMAND_LINE_SIZE) - EBCASC(COMMAND_LINE, ARCH_COMMAND_LINE_SIZE); - COMMAND_LINE[ARCH_COMMAND_LINE_SIZE-1] = 0; + for (i = 0; str[i]; i++) + if (str[i] & 0x80) + return 1; + return 0; +} +static void __init setup_boot_command_line(void) +{ + COMMAND_LINE[ARCH_COMMAND_LINE_SIZE - 1] = 0; + /* convert arch command line to ascii if necessary */ + if (has_ebcdic_char(COMMAND_LINE)) + EBCASC(COMMAND_LINE, ARCH_COMMAND_LINE_SIZE); /* copy arch command line */ strlcpy(boot_command_line, strstrip(COMMAND_LINE), ARCH_COMMAND_LINE_SIZE); |