[patch] cputime: fix do_setitimer.

[patch] cputime: fix do_setitimer.

[Martin Schwidefsky]

[patch] cputime: fix do_setitimer.

From: Martin Schwidefsky <schwidefsky@de.ibm.com>

Fix do_setitimer for ITIMER_VIRTUAL and ITIMER_PROF. Non-zero
it_virt_value and it_prof_value needs to get increamented by one
jiffies. Applications like konqueror depend on this behaviour.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diffstat:
 kernel/itimer.c |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diff -urN linux-2.6/kernel/itimer.c linux-2.6-cputime/kernel/itimer.c
--- linux-2.6/kernel/itimer.c	2004-11-02 14:30:36.000000000 +0100
+++ linux-2.6-cputime/kernel/itimer.c	2004-11-02 14:31:42.000000000 +0100
@@ -102,16 +102,18 @@
 			break;
 		case ITIMER_VIRTUAL:
 			cputime = timeval_to_cputime(&value->it_value);
-			if (cputime_eq(cputime, cputime_zero))
-				cputime = jiffies_to_cputime(1);
+			if (cputime_gt(cputime, cputime_zero))
+				cputime = cputime_add(cputime,
+						      jiffies_to_cputime(1));
 			current->it_virt_value = cputime;
 			cputime = timeval_to_cputime(&value->it_interval);
 			current->it_virt_incr = cputime;
 			break;
 		case ITIMER_PROF:
 			cputime = timeval_to_cputime(&value->it_value);
-			if (cputime_eq(cputime, cputime_zero))
-				cputime = jiffies_to_cputime(1);
+			if (cputime_gt(cputime, cputime_zero))
+				cputime = cputime_add(cputime,
+						      jiffies_to_cputime(1));
 			current->it_prof_value = cputime;
 			cputime = timeval_to_cputime(&value->it_interval);
 			current->it_prof_incr = cputime;