diff options
author | Stefan Raspl <raspl@linux.vnet.ibm.com> | 2013-03-05 10:39:55 +0100 |
---|---|---|
committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2013-04-17 14:07:25 +0200 |
commit | 0bcc94baca601c266ded6347c614b180316a383c (patch) | |
tree | 168167a6435d46acf4411dc24997c59bd23f204a /arch/s390/kernel/dis.c | |
parent | 08b421245692f3d10f010f02dae69df6a305271c (diff) |
s390/dis: use explicit buf len
Pass buffer length in extra parameter.
Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com>
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/dis.c')
-rw-r--r-- | arch/s390/kernel/dis.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/s390/kernel/dis.c b/arch/s390/kernel/dis.c index 3ad5e9540160..7f4a4a8c847c 100644 --- a/arch/s390/kernel/dis.c +++ b/arch/s390/kernel/dis.c @@ -1696,14 +1696,15 @@ static struct insn *find_insn(unsigned char *code) * insn_to_mnemonic - decode an s390 instruction * @instruction: instruction to decode * @buf: buffer to fill with mnemonic + * @len: length of buffer * * Decode the instruction at @instruction and store the corresponding - * mnemonic into @buf. + * mnemonic into @buf of length @len. * @buf is left unchanged if the instruction could not be decoded. * Returns: * %0 on success, %-ENOENT if the instruction was not found. */ -int insn_to_mnemonic(unsigned char *instruction, char buf[8]) +int insn_to_mnemonic(unsigned char *instruction, char *buf, unsigned int len) { struct insn *insn; @@ -1711,10 +1712,10 @@ int insn_to_mnemonic(unsigned char *instruction, char buf[8]) if (!insn) return -ENOENT; if (insn->name[0] == '\0') - snprintf(buf, 8, "%s", + snprintf(buf, len, "%s", long_insn_name[(int) insn->name[1]]); else - snprintf(buf, 8, "%.5s", insn->name); + snprintf(buf, len, "%.5s", insn->name); return 0; } EXPORT_SYMBOL_GPL(insn_to_mnemonic); |