From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/arch/alpha/kernel/osf_sys.c | 86 ++++++-------------------------------------
1 files changed, 12 insertions(+), 74 deletions(-)
diff --git a/kernel/arch/alpha/kernel/osf_sys.c b/kernel/arch/alpha/kernel/osf_sys.c
index cff52d8..d5367a1 100644
--- a/kernel/arch/alpha/kernel/osf_sys.c
+++ b/kernel/arch/alpha/kernel/osf_sys.c
@@ -529,7 +529,6 @@
SYSCALL_DEFINE1(osf_utsname, char __user *, name)
{
- int error;
char tmp[5 * 32];
down_read(&uts_sem);
@@ -560,7 +559,7 @@
*/
SYSCALL_DEFINE2(osf_getdomainname, char __user *, name, int, namelen)
{
- int len, err = 0;
+ int len;
char *kname;
char tmp[32];
@@ -678,7 +677,7 @@
default:
error = -EOPNOTSUPP;
break;
- };
+ }
return error;
}
@@ -964,36 +963,12 @@
}
static inline long
-put_tv_to_tv32(struct timeval32 __user *o, struct timeval *i)
+put_tv_to_tv32(struct timeval32 __user *o, struct __kernel_old_timeval *i)
{
return copy_to_user(o, &(struct timeval32){
.tv_sec = i->tv_sec,
.tv_usec = i->tv_usec},
sizeof(struct timeval32));
-}
-
-static inline long
-get_it32(struct itimerval *o, struct itimerval32 __user *i)
-{
- struct itimerval32 itv;
- if (copy_from_user(&itv, i, sizeof(struct itimerval32)))
- return -EFAULT;
- o->it_interval.tv_sec = itv.it_interval.tv_sec;
- o->it_interval.tv_usec = itv.it_interval.tv_usec;
- o->it_value.tv_sec = itv.it_value.tv_sec;
- o->it_value.tv_usec = itv.it_value.tv_usec;
- return 0;
-}
-
-static inline long
-put_it32(struct itimerval32 __user *o, struct itimerval *i)
-{
- return copy_to_user(o, &(struct itimerval32){
- .it_interval.tv_sec = o->it_interval.tv_sec,
- .it_interval.tv_usec = o->it_interval.tv_usec,
- .it_value.tv_sec = o->it_value.tv_sec,
- .it_value.tv_usec = o->it_value.tv_usec},
- sizeof(struct itimerval32));
}
static inline void
@@ -1039,47 +1014,6 @@
}
asmlinkage long sys_ni_posix_timers(void);
-
-SYSCALL_DEFINE2(osf_getitimer, int, which, struct itimerval32 __user *, it)
-{
- struct itimerval kit;
- int error;
-
- if (!IS_ENABLED(CONFIG_POSIX_TIMERS))
- return sys_ni_posix_timers();
-
- error = do_getitimer(which, &kit);
- if (!error && put_it32(it, &kit))
- error = -EFAULT;
-
- return error;
-}
-
-SYSCALL_DEFINE3(osf_setitimer, int, which, struct itimerval32 __user *, in,
- struct itimerval32 __user *, out)
-{
- struct itimerval kin, kout;
- int error;
-
- if (!IS_ENABLED(CONFIG_POSIX_TIMERS))
- return sys_ni_posix_timers();
-
- if (in) {
- if (get_it32(&kin, in))
- return -EFAULT;
- } else
- memset(&kin, 0, sizeof(kin));
-
- error = do_setitimer(which, &kin, out ? &kout : NULL);
- if (error || !out)
- return error;
-
- if (put_it32(out, &kout))
- return -EFAULT;
-
- return 0;
-
-}
SYSCALL_DEFINE2(osf_utimes, const char __user *, filename,
struct timeval32 __user *, tvs)
@@ -1254,7 +1188,7 @@
SYSCALL_DEFINE1(old_adjtimex, struct timex32 __user *, txc_p)
{
- struct timex txc;
+ struct __kernel_timex txc;
int ret;
/* copy relevant bits of struct timex. */
@@ -1271,7 +1205,8 @@
if (copy_to_user(txc_p, &txc, offsetof(struct timex32, time)) ||
(copy_to_user(&txc_p->tick, &txc.tick, sizeof(struct timex32) -
offsetof(struct timex32, tick))) ||
- (put_tv_to_tv32(&txc_p->time, &txc.time)))
+ (put_user(txc.time.tv_sec, &txc_p->time.tv_sec)) ||
+ (put_user(txc.time.tv_usec, &txc_p->time.tv_usec)))
return -EFAULT;
return ret;
@@ -1343,7 +1278,6 @@
}
#ifdef CONFIG_OSF4_COMPAT
-
/* Clear top 32 bits of iov_len in the user's buffer for
compatibility with old versions of OSF/1 where iov_len
was defined as int. */
@@ -1360,26 +1294,30 @@
}
return 0;
}
+#endif
SYSCALL_DEFINE3(osf_readv, unsigned long, fd,
const struct iovec __user *, vector, unsigned long, count)
{
+#ifdef CONFIG_OSF4_COMPAT
if (unlikely(personality(current->personality) == PER_OSF4))
if (osf_fix_iov_len(vector, count))
return -EFAULT;
+#endif
+
return sys_readv(fd, vector, count);
}
SYSCALL_DEFINE3(osf_writev, unsigned long, fd,
const struct iovec __user *, vector, unsigned long, count)
{
+#ifdef CONFIG_OSF4_COMPAT
if (unlikely(personality(current->personality) == PER_OSF4))
if (osf_fix_iov_len(vector, count))
return -EFAULT;
+#endif
return sys_writev(fd, vector, count);
}
-
-#endif
SYSCALL_DEFINE2(osf_getpriority, int, which, int, who)
{
--
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