GitHub-Mirror/linux-bl808
2
0
Fork 0
mirror of https://github.com/Fishwaldo/linux-bl808.git synced 2025-06-17 20:25:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

s390/dis: use explicit buf len

Browse source 
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>
This commit is contained in:
Stefan Raspl 2013-03-05 10:39:55 +01:00 • committed by Martin Schwidefsky
parent 08b4212456
commit 0bcc94baca
3 changed files with 8 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

9
arch/s390/kernel/dis.c
View file

@ -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);