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23569c8b31
This patch checks if div is less than or equal to zero (div <= 0). If div is zero or negative, the function returns -EINVAL, ensuring the division operation is safe to perform. Signed-off-by: Luo Yifan <luoyifan@cmss.chinamobile.com> Reviewed-by: Olivier Moysan <olivier.moysan@foss.st.com> Link: https://patch.msgid.link/20241107015936.211902-1-luoyifan@cmss.chinamobile.com Signed-off-by: Mark Brown <broonie@kernel.org>