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Avoid SEGV in IOHandler dispatch, by Daniel P. Berrange.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3132 c046a42c-6fe2-441c-8c8c-71466251a162
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ths 2007-08-25 01:34:19 +00:00
parent 70f23b776a
commit 6ab43fdc31
1 changed files with 2 additions and 4 deletions
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6
vl.c
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@ -6823,12 +6823,10 @@ void main_loop_wait(int timeout)
IOHandlerRecord **pioh;
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
if (ioh->deleted)
continue;
if (FD_ISSET(ioh->fd, &rfds)) {
if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
ioh->fd_read(ioh->opaque);
}
if (FD_ISSET(ioh->fd, &wfds)) {
if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
ioh->fd_write(ioh->opaque);
}
}