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Diffstat (limited to 'arch/um/kernel/exitcode.c')
-rw-r--r--arch/um/kernel/exitcode.c8
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;
16static int read_proc_exitcode(char *page, char **start, off_t off, 16static int read_proc_exitcode(char *page, char **start, off_t off,
17 int count, int *eof, void *data) 17 int count, int *eof, void *data)
18{ 18{
19 int len; 19 int len, val;
20 20
21 len = sprintf(page, "%d\n", uml_exitcode); 21 /* Save uml_exitcode in a local so that we don't need to guarantee
22 * that sprintf accesses it atomically.
23 */
24 val = uml_exitcode;
25 len = sprintf(page, "%d\n", val);
22 len -= off; 26 len -= off;
23 if(len <= off+count) *eof = 1; 27 if(len <= off+count) *eof = 1;
24 *start = page + off; 28 *start = page + off;