add ax88772_rst

hc

2024-05-10 9999e48639b3cecb08ffb37358bcba3b48161b29

 kernel/fs/statfs.c
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@@ -130,6 +130,7 @@
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 	if (sizeof(buf) == sizeof(*st))
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 		memcpy(&buf, st, sizeof(*st));
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 	else {
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+		memset(&buf, 0, sizeof(buf));
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 		if (sizeof buf.f_blocks == 4) {
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 			if ((st->f_blocks | st->f_bfree | st->f_bavail |
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 			     st->f_bsize | st->f_frsize) &
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@@ -158,7 +159,6 @@
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 		buf.f_namelen = st->f_namelen;
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 		buf.f_frsize = st->f_frsize;
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 		buf.f_flags = st->f_flags;
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-		memset(buf.f_spare, 0, sizeof(buf.f_spare));
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 	}
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 	if (copy_to_user(p, &buf, sizeof(buf)))
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 		return -EFAULT;
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@@ -171,6 +171,7 @@
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 	if (sizeof(buf) == sizeof(*st))
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 		memcpy(&buf, st, sizeof(*st));
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 	else {
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+		memset(&buf, 0, sizeof(buf));
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 		buf.f_type = st->f_type;
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 		buf.f_bsize = st->f_bsize;
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 		buf.f_blocks = st->f_blocks;
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@@ -182,7 +183,6 @@
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 		buf.f_namelen = st->f_namelen;
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 		buf.f_frsize = st->f_frsize;
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 		buf.f_flags = st->f_flags;
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-		memset(buf.f_spare, 0, sizeof(buf.f_spare));
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 	}
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 	if (copy_to_user(p, &buf, sizeof(buf)))
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 		return -EFAULT;