Commit 46e3626a authored Aug 26, 2014 by Chen Gang Committed by Stefano Stabellini Sep 23, 2014

xen/grant-table: refactor error cleanup in grow_gnttab_list()



The cleanup loop in grow_gnttab_list() is safe from the underflow of
the unsigned 'i' since nr_glist_frames is >= 1, but refactor it
anyway.

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>

parent 4fbb67e3

drivers/xen/grant-table.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -592,7 +592,7 @@ static int grow_gnttab_list(unsigned int more_frames)
		return 0;

		grow_nomem:
		for ( ; i >= nr_glist_frames; i--)
		while (i-- > nr_glist_frames)
		free_page((unsigned long) gnttab_list[i]);
		return -ENOMEM;
		}

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