From: Katsuhiro Suzuki <[email protected]> commit 5c6c9c4830b76d851d38829611b3c3e4be0f5cdf upstream
FE_GET_PROPERTY has always failed as following situations: - Use compatible ioctl - The array of 'struct dtv_property' has 2 or more items This patch fixes wrong cast to a pointer 'struct dtv_property' from a pointer of 2nd or after item of 'struct compat_dtv_property' array. Signed-off-by: Katsuhiro Suzuki <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Florian Fainelli <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/media/dvb-core/dvb_frontend.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c index 34f55a2ba071d..740dedf033616 100644 --- a/drivers/media/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb-core/dvb_frontend.c @@ -2081,7 +2081,7 @@ static int dvb_frontend_handle_compat_ioctl(struct file *file, unsigned int cmd, } for (i = 0; i < tvps->num; i++) { err = dtv_property_process_get( - fe, &getp, (struct dtv_property *)tvp + i, file); + fe, &getp, (struct dtv_property *)(tvp + i), file); if (err < 0) { kfree(tvp); return err; -- 2.25.1
