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| author | Jiri Kosina <jkosina@suse.cz> | 2013-01-29 10:48:30 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2013-01-29 10:48:30 +0100 |
| commit | 617677295b53a40d0e54aac4cbbc216ffbc755dd (patch) | |
| tree | 51b9e87213243ed5efff252c8e8d8fec4eebc588 /fs/file.c | |
| parent | 5c8d1b68e01a144813e38795fe6dbe7ebb506131 (diff) | |
| parent | 6abb7c25775b7fb2225ad0508236d63ca710e65f (diff) | |
| download | linux-617677295b53a40d0e54aac4cbbc216ffbc755dd.tar.gz | |
Merge branch 'master' into for-next
Conflicts:
drivers/devfreq/exynos4_bus.c
Sync with Linus' tree to be able to apply patches that are
against newer code (mvneta).
Diffstat (limited to 'fs/file.c')
| -rw-r--r-- | fs/file.c | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/fs/file.c b/fs/file.c index d3b5fa80b71b76..2b3570b7caeba2 100644 --- a/fs/file.c +++ b/fs/file.c @@ -490,7 +490,7 @@ void exit_files(struct task_struct *tsk) } } -static void __devinit fdtable_defer_list_init(int cpu) +static void fdtable_defer_list_init(int cpu) { struct fdtable_defer *fddef = &per_cpu(fdtable_defer_list, cpu); spin_lock_init(&fddef->lock); @@ -519,12 +519,6 @@ struct files_struct init_files = { .file_lock = __SPIN_LOCK_UNLOCKED(init_task.file_lock), }; -void daemonize_descriptors(void) -{ - atomic_inc(&init_files.count); - reset_files_struct(&init_files); -} - /* * allocate a file descriptor, mark it busy. */ @@ -685,7 +679,6 @@ void do_close_on_exec(struct files_struct *files) struct fdtable *fdt; /* exec unshares first */ - BUG_ON(atomic_read(&files->count) != 1); spin_lock(&files->file_lock); for (i = 0; ; i++) { unsigned long set; @@ -900,7 +893,7 @@ int replace_fd(unsigned fd, struct file *file, unsigned flags) return __close_fd(files, fd); if (fd >= rlimit(RLIMIT_NOFILE)) - return -EMFILE; + return -EBADF; spin_lock(&files->file_lock); err = expand_files(files, fd); @@ -926,7 +919,7 @@ SYSCALL_DEFINE3(dup3, unsigned int, oldfd, unsigned int, newfd, int, flags) return -EINVAL; if (newfd >= rlimit(RLIMIT_NOFILE)) - return -EMFILE; + return -EBADF; spin_lock(&files->file_lock); err = expand_files(files, newfd); @@ -995,16 +988,18 @@ int iterate_fd(struct files_struct *files, unsigned n, const void *p) { struct fdtable *fdt; - struct file *file; int res = 0; if (!files) return 0; spin_lock(&files->file_lock); - fdt = files_fdtable(files); - while (!res && n < fdt->max_fds) { - file = rcu_dereference_check_fdtable(files, fdt->fd[n++]); - if (file) - res = f(p, file, n); + for (fdt = files_fdtable(files); n < fdt->max_fds; n++) { + struct file *file; + file = rcu_dereference_check_fdtable(files, fdt->fd[n]); + if (!file) + continue; + res = f(p, file, n); + if (res) + break; } spin_unlock(&files->file_lock); return res; |