From: Greg Kroah-Hartman Date: Mon, 3 May 2021 11:57:25 +0000 (+0200) Subject: Revert "media: dvb: Add check on sp8870_readreg" X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=47e4ff06fa7f5ba4860543a2913bbd0c164640aa;p=linux.git Revert "media: dvb: Add check on sp8870_readreg" This reverts commit 467a37fba93f2b4fe3ab597ff6a517b22b566882. Because of recent interactions with developers from @umn.edu, all commits from them have been recently re-reviewed to ensure if they were correct or not. Upon review, this commit was found to be incorrect for the reasons below, so it must be reverted. It will be fixed up "correctly" in a later kernel change. This commit is not properly checking for an error at all, so if a read succeeds from this device, it will error out. Cc: Aditya Pakki Cc: Sean Young Cc: Mauro Carvalho Chehab Link: https://lore.kernel.org/r/20210503115736.2104747-59-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/media/dvb-frontends/sp8870.c b/drivers/media/dvb-frontends/sp8870.c index 655db8272268d..ee893a2f22614 100644 --- a/drivers/media/dvb-frontends/sp8870.c +++ b/drivers/media/dvb-frontends/sp8870.c @@ -280,9 +280,7 @@ static int sp8870_set_frontend_parameters(struct dvb_frontend *fe) sp8870_writereg(state, 0xc05, reg0xc05); // read status reg in order to clear pending irqs - err = sp8870_readreg(state, 0x200); - if (err) - return err; + sp8870_readreg(state, 0x200); // system controller start sp8870_microcontroller_start(state);