drivers: power: report battery voltage in AOSP compatible format

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / fs / read_write.c

diff --git a/fs/read_write.c b/fs/read_write.c
index 03430008704e68fd74470e8dbb9fcb637dce3f97..f6b7c600eb7f29558da120cac9c89d53e6e7251c 100644 (file)
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -947,9 +947,9 @@ out:
        return ret;
 }
 
-COMPAT_SYSCALL_DEFINE3(readv, unsigned long, fd,
+COMPAT_SYSCALL_DEFINE3(readv, compat_ulong_t, fd,
                const struct compat_iovec __user *,vec,
-               unsigned long, vlen)
+               compat_ulong_t, vlen)
 {
        struct fd f = fdget(fd);
        ssize_t ret;
@@ -983,9 +983,9 @@ COMPAT_SYSCALL_DEFINE4(preadv64, unsigned long, fd,
        return ret;
 }
 
-COMPAT_SYSCALL_DEFINE5(preadv, unsigned long, fd,
+COMPAT_SYSCALL_DEFINE5(preadv, compat_ulong_t, fd,
                const struct compat_iovec __user *,vec,
-               unsigned long, vlen, u32, pos_low, u32, pos_high)
+               compat_ulong_t, vlen, u32, pos_low, u32, pos_high)
 {
        loff_t pos = ((loff_t)pos_high << 32) | pos_low;
        return compat_sys_preadv64(fd, vec, vlen, pos);
@@ -1013,9 +1013,9 @@ out:
        return ret;
 }
 
-COMPAT_SYSCALL_DEFINE3(writev, unsigned long, fd,
+COMPAT_SYSCALL_DEFINE3(writev, compat_ulong_t, fd,
                const struct compat_iovec __user *, vec,
-               unsigned long, vlen)
+               compat_ulong_t, vlen)
 {
        struct fd f = fdget(fd);
        ssize_t ret;
@@ -1049,9 +1049,9 @@ COMPAT_SYSCALL_DEFINE4(pwritev64, unsigned long, fd,
        return ret;
 }
 
-COMPAT_SYSCALL_DEFINE5(pwritev, unsigned long, fd,
+COMPAT_SYSCALL_DEFINE5(pwritev, compat_ulong_t, fd,
                const struct compat_iovec __user *,vec,
-               unsigned long, vlen, u32, pos_low, u32, pos_high)
+               compat_ulong_t, vlen, u32, pos_low, u32, pos_high)
 {
        loff_t pos = ((loff_t)pos_high << 32) | pos_low;
        return compat_sys_pwritev64(fd, vec, vlen, pos);
@@ -1064,6 +1064,7 @@ static ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos,
        struct fd in, out;
        struct inode *in_inode, *out_inode;
        loff_t pos;
+       loff_t out_pos;
        ssize_t retval;
        int fl;
 
@@ -1077,12 +1078,14 @@ static ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos,
        if (!(in.file->f_mode & FMODE_READ))
                goto fput_in;
        retval = -ESPIPE;
-       if (!ppos)
-               ppos = &in.file->f_pos;
-       else
+       if (!ppos) {
+               pos = in.file->f_pos;
+       } else {
+               pos = *ppos;
                if (!(in.file->f_mode & FMODE_PREAD))
                        goto fput_in;
-       retval = rw_verify_area(READ, in.file, ppos, count);
+       }
+       retval = rw_verify_area(READ, in.file, &pos, count);
        if (retval < 0)
                goto fput_in;
        count = retval;
@@ -1099,7 +1102,8 @@ static ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos,
        retval = -EINVAL;
        in_inode = file_inode(in.file);
        out_inode = file_inode(out.file);
-       retval = rw_verify_area(WRITE, out.file, &out.file->f_pos, count);
+       out_pos = out.file->f_pos;
+       retval = rw_verify_area(WRITE, out.file, &out_pos, count);
        if (retval < 0)
                goto fput_out;
        count = retval;
@@ -1107,7 +1111,6 @@ static ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos,
        if (!max)
                max = min(in_inode->i_sb->s_maxbytes, out_inode->i_sb->s_maxbytes);
 
-       pos = *ppos;
        if (unlikely(pos + count > max)) {
                retval = -EOVERFLOW;
                if (pos >= max)
@@ -1126,18 +1129,23 @@ static ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos,
        if (in.file->f_flags & O_NONBLOCK)
                fl = SPLICE_F_NONBLOCK;
 #endif
-       retval = do_splice_direct(in.file, ppos, out.file, count, fl);
+       retval = do_splice_direct(in.file, &pos, out.file, &out_pos, count, fl);
 
        if (retval > 0) {
                add_rchar(current, retval);
                add_wchar(current, retval);
                fsnotify_access(in.file);
                fsnotify_modify(out.file);
+               out.file->f_pos = out_pos;
+               if (ppos)
+                       *ppos = pos;
+               else
+                       in.file->f_pos = pos;
        }
 
        inc_syscr(current);
        inc_syscw(current);
-       if (*ppos > max)
+       if (pos > max)
                retval = -EOVERFLOW;
 
 fput_out: