X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fum%2Fkernel%2Fexitcode.c;h=8b7f2cdedf945148ffd96306ac04024dc9a0a7ee;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=d21ebad666b4246f45c99d2667dbcc82702b6f6c;hpb=43bc926fffd92024b46cafaf7350d669ba9ca884;p=linux-2.6.git

diff --git a/arch/um/kernel/exitcode.c b/arch/um/kernel/exitcode.c
index d21ebad66..8b7f2cded 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;