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uml: miscellaneous code cleanups

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Code tidying -
	the pid field of struct irq_fd isn't used, so it is removed
     	os_set_fd_async needed to read flags before changing them, it
doesn't need a pid passed in because it can call getpid itself, and a
block of unused code needed deleting
	os_get_exec_close was unused, so it is removed
	ptrace_child called _exit for historical reasons which are no
longer valid, so just calls exit instead

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jeff Dike
2008-02-04 22:31:04 -08:00
committed by Linus Torvalds
parent 7b5cc6ee6c
commit bf8fde785b
7 changed files with 18 additions and 40 deletions
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6
arch/um/kernel/irq.c
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@@ -107,10 +107,9 @@ int activate_fd(int irq, int fd, int type, void *dev_id)
struct pollfd *tmp_pfd;
struct irq_fd *new_fd, *irq_fd;
unsigned long flags;
int pid, events, err, n;
int events, err, n;
pid = os_getpid();
err = os_set_fd_async(fd, pid);
err = os_set_fd_async(fd);
if (err < 0)
goto out;
@@ -127,7 +126,6 @@ int activate_fd(int irq, int fd, int type, void *dev_id)
.fd = fd,
.type = type,
.irq = irq,
.pid = pid,
.events = events,
.current_events = 0 } );