sdio: fix read buffer overflow
Avoid buffer underrun when parsing an invalid CISTPL_VERS_1. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Cc: David Vrabel <david.vrabel@csr.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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