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DateMon, 3 Apr 2006 02:09:16 -0700
FromAndrew Morton <>
SubjectRe: 2.6.17-rc1 core_sys_select incompatible pointer types
Mitchell Blank Jr <mitch@sfgoth.com> wrote:
>
>  Keith Owens wrote:
>  > 2.6.17-rc1, ia64, gcc 3.3.3
>  > 
>  > fs/select.c: In function `core_sys_select':
>  > fs/select.c:339: warning: assignment from incompatible pointer type
>  > fs/select.c:376: warning: comparison of distinct pointer types lacks a cast
> 
>  I posted a patch to fix this and another problem with the recent select
>  changes a couple days ago.
> 
>  Original version, with description:
>    http://lkml.org/lkml/2006/3/31/308
>  Slightly updated:
>    http://lkml.org/lkml/2006/3/31/316
> 
>  I'm hoping that Andrew picked it up.

Nope.  I queued up the below.  If anything additional is needed, please
resend.


diff -puN fs/select.c~select-warning-fixes fs/select.c
--- devel/fs/select.c~select-warning-fixes	2006-04-01 22:27:14.000000000 -0800
+++ devel-akpm/fs/select.c	2006-04-01 22:28:50.000000000 -0800
@@ -310,7 +310,7 @@ static int core_sys_select(int n, fd_set
 			   fd_set __user *exp, s64 *timeout)
 {
 	fd_set_bits fds;
-	char *bits;
+	void *bits;
 	int ret, size, max_fdset;
 	struct fdtable *fdt;
 	/* Allocate small arguments on the stack to save memory and be faster */
@@ -341,12 +341,12 @@ static int core_sys_select(int n, fd_set
 		bits = kmalloc(6 * size, GFP_KERNEL);
 	if (!bits)
 		goto out_nofds;
-	fds.in      = (unsigned long *)  bits;
-	fds.out     = (unsigned long *) (bits +   size);
-	fds.ex      = (unsigned long *) (bits + 2*size);
-	fds.res_in  = (unsigned long *) (bits + 3*size);
-	fds.res_out = (unsigned long *) (bits + 4*size);
-	fds.res_ex  = (unsigned long *) (bits + 5*size);
+	fds.in      = bits;
+	fds.out     = bits +   size;
+	fds.ex      = bits + 2*size;
+	fds.res_in  = bits + 3*size;
+	fds.res_out = bits + 4*size;
+	fds.res_ex  = bits + 5*size;
 
 	if ((ret = get_fd_set(n, inp, fds.in)) ||
 	    (ret = get_fd_set(n, outp, fds.out)) ||
_
-
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