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Commit 7606f85a authored by srimugunthan dhandapani's avatar srimugunthan dhandapani Committed by Artem Bityutskiy
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UBIFS: fix the dark space calculation 



The dark space calculation should be 64 bit type-casted, when
assigning to tmp64 (similar to how total_free is calculated).
Overflow will occur for very large flashes.

Signed-off-by: default avatarsrimugunthan <srimugunthan.dhandapani@gmail.com>
Signed-off-by: default avatarArtem Bityutskiy <artem.bityutskiy@intel.com>
parent d37854cf

fs/ubifs/sb.c

+1 −1
Original line number Diff line number Diff line
@@ -247,7 +247,7 @@ static int create_default_filesystem(struct ubifs_info *c) 
	mst->total_dirty = cpu_to_le64(tmp64);



	/*  The indexing LEB does not contribute to dark space */

	tmp64 = (c->main_lebs - 1) * c->dark_wm;

	tmp64 = ((long long)(c->main_lebs - 1) * c->dark_wm);

	mst->total_dark = cpu_to_le64(tmp64);



	mst->total_used = cpu_to_le64(UBIFS_INO_NODE_SZ);

fs/ubifs/recovery.c

+1 −1

File changed.

Contains only whitespace changes.