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-rw-r--r--fs/select.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/select.c b/fs/select.c
index 9c4f0f2604f1..33b72ba0f86f 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -746,9 +746,9 @@ out_fds:
asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds,
long timeout_msecs)
{
- s64 timeout_jiffies = 0;
+ s64 timeout_jiffies;
- if (timeout_msecs) {
+ if (timeout_msecs > 0) {
#if HZ > 1000
/* We can only overflow if HZ > 1000 */
if (timeout_msecs / 1000 > (s64)0x7fffffffffffffffULL / (s64)HZ)
@@ -756,6 +756,9 @@ asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds,
else
#endif
timeout_jiffies = msecs_to_jiffies(timeout_msecs);
+ } else {
+ /* Infinite (< 0) or no (0) timeout */
+ timeout_jiffies = timeout_msecs;
}
return do_sys_poll(ufds, nfds, &timeout_jiffies);