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authorArnd Bergmann <arnd@arndb.de>2010-03-18 01:06:02 +0300
committerFrederic Weisbecker <fweisbec@gmail.com>2010-04-09 18:29:12 +0400
commit87df842410ce5a86fdca9fbec0dba80d2aa88b6f (patch)
treee8d311184e8f2695a961935882ad5269724fce04 /fs/proc
parent2eaa9cfdf33b8d7fb7aff27792192e0019ae8fc6 (diff)
downloadlinux-87df842410ce5a86fdca9fbec0dba80d2aa88b6f.tar.xz
procfs: Kill BKL in llseek on proc base
We don't use the BKL elsewhere, so use generic_file_llseek so we can avoid default_llseek taking the BKL. Signed-off-by: Arnd Bergmann <arnd@arndb.de> [restore proc_fdinfo_file_operations as non-seekable] Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: John Kacur <jkacur@redhat.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Al Viro <viro@ZenIV.linux.org.uk>
Diffstat (limited to 'fs/proc')
-rw-r--r--fs/proc/base.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c
index a7310841c831..95d91cf3e24c 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -728,6 +728,7 @@ out_no_task:
static const struct file_operations proc_info_file_operations = {
.read = proc_info_read,
+ .llseek = generic_file_llseek,
};
static int proc_single_show(struct seq_file *m, void *v)
@@ -985,6 +986,7 @@ out_no_task:
static const struct file_operations proc_environ_operations = {
.read = environ_read,
+ .llseek = generic_file_llseek,
};
static ssize_t oom_adjust_read(struct file *file, char __user *buf,
@@ -1058,6 +1060,7 @@ static ssize_t oom_adjust_write(struct file *file, const char __user *buf,
static const struct file_operations proc_oom_adjust_operations = {
.read = oom_adjust_read,
.write = oom_adjust_write,
+ .llseek = generic_file_llseek,
};
#ifdef CONFIG_AUDITSYSCALL
@@ -1129,6 +1132,7 @@ out_free_page:
static const struct file_operations proc_loginuid_operations = {
.read = proc_loginuid_read,
.write = proc_loginuid_write,
+ .llseek = generic_file_llseek,
};
static ssize_t proc_sessionid_read(struct file * file, char __user * buf,
@@ -1149,6 +1153,7 @@ static ssize_t proc_sessionid_read(struct file * file, char __user * buf,
static const struct file_operations proc_sessionid_operations = {
.read = proc_sessionid_read,
+ .llseek = generic_file_llseek,
};
#endif
@@ -1200,6 +1205,7 @@ static ssize_t proc_fault_inject_write(struct file * file,
static const struct file_operations proc_fault_inject_operations = {
.read = proc_fault_inject_read,
.write = proc_fault_inject_write,
+ .llseek = generic_file_llseek,
};
#endif
@@ -1941,7 +1947,7 @@ static ssize_t proc_fdinfo_read(struct file *file, char __user *buf,
}
static const struct file_operations proc_fdinfo_file_operations = {
- .open = nonseekable_open,
+ .open = nonseekable_open,
.read = proc_fdinfo_read,
};
@@ -2225,6 +2231,7 @@ out_no_task:
static const struct file_operations proc_pid_attr_operations = {
.read = proc_pid_attr_read,
.write = proc_pid_attr_write,
+ .llseek = generic_file_llseek,
};
static const struct pid_entry attr_dir_stuff[] = {
@@ -2345,6 +2352,7 @@ static ssize_t proc_coredump_filter_write(struct file *file,
static const struct file_operations proc_coredump_filter_operations = {
.read = proc_coredump_filter_read,
.write = proc_coredump_filter_write,
+ .llseek = generic_file_llseek,
};
#endif