diff options
Diffstat (limited to 'arch/um/kernel/exitcode.c')
| -rw-r--r-- | arch/um/kernel/exitcode.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/um/kernel/exitcode.c b/arch/um/kernel/exitcode.c index d21ebad666b4..8b7f2cdedf94 100644 --- a/arch/um/kernel/exitcode.c +++ b/arch/um/kernel/exitcode.c @@ -16,9 +16,13 @@ int uml_exitcode = 0; static int read_proc_exitcode(char *page, char **start, off_t off, int count, int *eof, void *data) { - int len; + int len, val; - len = sprintf(page, "%d\n", uml_exitcode); + /* Save uml_exitcode in a local so that we don't need to guarantee + * that sprintf accesses it atomically. + */ + val = uml_exitcode; + len = sprintf(page, "%d\n", val); len -= off; if(len <= off+count) *eof = 1; *start = page + off; |