svn commit: r283478 - head/sys/compat/linprocfs
Dmitry Chagin
dchagin at FreeBSD.org
Sun May 24 17:53:49 UTC 2015
Author: dchagin
Date: Sun May 24 17:53:48 2015
New Revision: 283478
URL: https://svnweb.freebsd.org/changeset/base/283478
Log:
Simplify linprocfs_doprocenviron(). Remove extra proc visibility checks
and initialize pn_vis by well known procfs_candebug().
Modified:
head/sys/compat/linprocfs/linprocfs.c
Modified: head/sys/compat/linprocfs/linprocfs.c
==============================================================================
--- head/sys/compat/linprocfs/linprocfs.c Sun May 24 17:51:57 2015 (r283477)
+++ head/sys/compat/linprocfs/linprocfs.c Sun May 24 17:53:48 2015 (r283478)
@@ -946,32 +946,15 @@ linprocfs_doproccmdline(PFS_FILL_ARGS)
static int
linprocfs_doprocenviron(PFS_FILL_ARGS)
{
- int ret;
-
- PROC_LOCK(p);
- if ((ret = p_candebug(td, p)) != 0) {
- PROC_UNLOCK(p);
- return (ret);
- }
/*
* Mimic linux behavior and pass only processes with usermode
* address space as valid. Return zero silently otherwize.
*/
- if (p->p_vmspace == &vmspace0) {
- PROC_UNLOCK(p);
- return (0);
- }
-
- if ((p->p_flag & P_SYSTEM) != 0) {
- PROC_UNLOCK(p);
+ if (p->p_vmspace == &vmspace0)
return (0);
- }
- PROC_UNLOCK(p);
-
- ret = proc_getenvv(td, p, sb);
- return (ret);
+ return (proc_getenvv(td, p, sb));
}
static char l32_map_str[] = "%08lx-%08lx %s%s%s%s %08lx %02x:%02x %lu%s%s\n";
@@ -1488,7 +1471,7 @@ linprocfs_init(PFS_INIT_ARGS)
pfs_create_link(dir, "cwd", &linprocfs_doproccwd,
NULL, NULL, NULL, 0);
pfs_create_file(dir, "environ", &linprocfs_doprocenviron,
- NULL, NULL, NULL, PFS_RD);
+ NULL, &procfs_candebug, NULL, PFS_RD);
pfs_create_link(dir, "exe", &procfs_doprocfile,
NULL, &procfs_notsystem, NULL, 0);
pfs_create_file(dir, "maps", &linprocfs_doprocmaps,
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