Commit af4d2ecb authored by Kirill Korotaev's avatar Kirill Korotaev Committed by Linus Torvalds

[PATCH] Fix of bogus file max limit messages

This patch fixes incorrect and bogus kernel messages that file-max limit
reached when the allocation fails
Signed-Off-By: default avatarKirill Korotaev <dev@sw.ru>
Signed-Off-By: default avatarDenis Lunev <den@sw.ru>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent c663e5d8
...@@ -63,21 +63,24 @@ static inline void file_free(struct file *f) ...@@ -63,21 +63,24 @@ static inline void file_free(struct file *f)
*/ */
struct file *get_empty_filp(void) struct file *get_empty_filp(void)
{ {
static int old_max; static int old_max;
struct file * f; struct file * f;
/* /*
* Privileged users can go above max_files * Privileged users can go above max_files
*/ */
if (files_stat.nr_files < files_stat.max_files || if (files_stat.nr_files >= files_stat.max_files &&
capable(CAP_SYS_ADMIN)) { !capable(CAP_SYS_ADMIN))
goto over;
f = kmem_cache_alloc(filp_cachep, GFP_KERNEL); f = kmem_cache_alloc(filp_cachep, GFP_KERNEL);
if (f) { if (f == NULL)
memset(f, 0, sizeof(*f));
if (security_file_alloc(f)) {
file_free(f);
goto fail; goto fail;
}
memset(f, 0, sizeof(*f));
if (security_file_alloc(f))
goto fail_sec;
eventpoll_init_file(f); eventpoll_init_file(f);
atomic_set(&f->f_count, 1); atomic_set(&f->f_count, 1);
f->f_uid = current->fsuid; f->f_uid = current->fsuid;
...@@ -87,18 +90,18 @@ static int old_max; ...@@ -87,18 +90,18 @@ static int old_max;
INIT_LIST_HEAD(&f->f_list); INIT_LIST_HEAD(&f->f_list);
f->f_maxcount = INT_MAX; f->f_maxcount = INT_MAX;
return f; return f;
}
}
over:
/* Ran out of filps - report that */ /* Ran out of filps - report that */
if (files_stat.max_files >= old_max) { if (files_stat.nr_files > old_max) {
printk(KERN_INFO "VFS: file-max limit %d reached\n", printk(KERN_INFO "VFS: file-max limit %d reached\n",
files_stat.max_files); files_stat.max_files);
old_max = files_stat.max_files; old_max = files_stat.nr_files;
} else {
/* Big problems... */
printk(KERN_WARNING "VFS: filp allocation failed\n");
} }
goto fail;
fail_sec:
file_free(f);
fail: fail:
return NULL; return NULL;
} }
......
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