staging: most: sound: add sanity check for function argument
[ Upstream commit 45b754ae ] This patch checks the function parameter 'bytes' before doing the subtraction to prevent memory corruption. Signed-off-by:Christian Gromm <christian.gromm@microchip.com> Reported-by:
Dan Carpenter <dan.carpenter@oracle.com> Link: https://lore.kernel.org/r/1612282865-21846-1-git-send-email-christian.gromm@microchip.com Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by:
Sasha Levin <sashal@kernel.org>
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99c2c8b0
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