If poll() is used as a milli-second sleep, like in help.c, by passing a NULL
in the 1st and a 0 in the 2nd arg, it exits with EFAULT.

As per Paolo Bonzini, the original author, this is a bug and to be fixed like
in this commit, which is not to exit if the 2nd arg is 0.

Signed-off-by: Joachim Schmitz <j...@schmitz-digital.de>
 compat/win32/poll.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compat/win32/poll.c b/compat/win32/poll.c
index 403eaa7..9e7a25c 100644
--- a/compat/win32/poll.c
+++ b/compat/win32/poll.c
@@ -349,7 +349,7 @@ poll (struct pollfd *pfd, nfds_t nfd, int timeout)
   /* EFAULT is not necessary to implement, but let's do it in the
      simplest case. */
-  if (!pfd)
+  if (!pfd && nfd)
       errno = EFAULT;
       return -1;

To unsubscribe from this list: send the line "unsubscribe git" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to