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-rw-r--r--fs/autofs4/autofs_i.h1
-rw-r--r--fs/autofs4/dev-ioctl.c1
-rw-r--r--fs/autofs4/inode.c2
-rw-r--r--fs/autofs4/waitq.c22
4 files changed, 3 insertions, 23 deletions
diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h
index eb1cc92cd67d..d8d8e7ba6a1e 100644
--- a/fs/autofs4/autofs_i.h
+++ b/fs/autofs4/autofs_i.h
@@ -110,7 +110,6 @@ struct autofs_sb_info {
110 int sub_version; 110 int sub_version;
111 int min_proto; 111 int min_proto;
112 int max_proto; 112 int max_proto;
113 int compat_daemon;
114 unsigned long exp_timeout; 113 unsigned long exp_timeout;
115 unsigned int type; 114 unsigned int type;
116 int reghost_enabled; 115 int reghost_enabled;
diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c
index 9dacb8586701..3dfd615afb6b 100644
--- a/fs/autofs4/dev-ioctl.c
+++ b/fs/autofs4/dev-ioctl.c
@@ -385,7 +385,6 @@ static int autofs_dev_ioctl_setpipefd(struct file *fp,
385 sbi->pipefd = pipefd; 385 sbi->pipefd = pipefd;
386 sbi->pipe = pipe; 386 sbi->pipe = pipe;
387 sbi->catatonic = 0; 387 sbi->catatonic = 0;
388 sbi->compat_daemon = is_compat_task();
389 } 388 }
390out: 389out:
391 mutex_unlock(&sbi->wq_mutex); 390 mutex_unlock(&sbi->wq_mutex);
diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index d8dc002e9cc3..14c7bc02349e 100644
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -19,7 +19,6 @@
19#include <linux/parser.h> 19#include <linux/parser.h>
20#include <linux/bitops.h> 20#include <linux/bitops.h>
21#include <linux/magic.h> 21#include <linux/magic.h>
22#include <linux/compat.h>
23#include "autofs_i.h" 22#include "autofs_i.h"
24#include <linux/module.h> 23#include <linux/module.h>
25 24
@@ -225,7 +224,6 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
225 set_autofs_type_indirect(&sbi->type); 224 set_autofs_type_indirect(&sbi->type);
226 sbi->min_proto = 0; 225 sbi->min_proto = 0;
227 sbi->max_proto = 0; 226 sbi->max_proto = 0;
228 sbi->compat_daemon = is_compat_task();
229 mutex_init(&sbi->wq_mutex); 227 mutex_init(&sbi->wq_mutex);
230 mutex_init(&sbi->pipe_mutex); 228 mutex_init(&sbi->pipe_mutex);
231 spin_lock_init(&sbi->fs_lock); 229 spin_lock_init(&sbi->fs_lock);
diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c
index 9c098db43344..da8876d38a7b 100644
--- a/fs/autofs4/waitq.c
+++ b/fs/autofs4/waitq.c
@@ -91,24 +91,7 @@ static int autofs4_write(struct autofs_sb_info *sbi,
91 91
92 return (bytes > 0); 92 return (bytes > 0);
93} 93}
94 94
95/*
96 * The autofs_v5 packet was misdesigned.
97 *
98 * The packets are identical on x86-32 and x86-64, but have different
99 * alignment. Which means that 'sizeof()' will give different results.
100 * Fix it up for the case of running 32-bit user mode on a 64-bit kernel.
101 */
102static noinline size_t autofs_v5_packet_size(struct autofs_sb_info *sbi)
103{
104 size_t pktsz = sizeof(struct autofs_v5_packet);
105#if defined(CONFIG_X86_64) && defined(CONFIG_COMPAT)
106 if (sbi->compat_daemon > 0)
107 pktsz -= 4;
108#endif
109 return pktsz;
110}
111
112static void autofs4_notify_daemon(struct autofs_sb_info *sbi, 95static void autofs4_notify_daemon(struct autofs_sb_info *sbi,
113 struct autofs_wait_queue *wq, 96 struct autofs_wait_queue *wq,
114 int type) 97 int type)
@@ -172,7 +155,8 @@ static void autofs4_notify_daemon(struct autofs_sb_info *sbi,
172 { 155 {
173 struct autofs_v5_packet *packet = &pkt.v5_pkt.v5_packet; 156 struct autofs_v5_packet *packet = &pkt.v5_pkt.v5_packet;
174 157
175 pktsz = autofs_v5_packet_size(sbi); 158 pktsz = sizeof(*packet);
159
176 packet->wait_queue_token = wq->wait_queue_token; 160 packet->wait_queue_token = wq->wait_queue_token;
177 packet->len = wq->name.len; 161 packet->len = wq->name.len;
178 memcpy(packet->name, wq->name.name, wq->name.len); 162 memcpy(packet->name, wq->name.name, wq->name.len);