From 4b81dad109ad7d7b288804fcdc6475b48f242210 Mon Sep 17 00:00:00 2001 From: Christina Quast Date: Tue, 2 Apr 2019 14:16:48 +0200 Subject: [PATCH] ALSA: doc: my_chip has no element ioport chip->ioport is dereferenced in two places, but the struct is defined as follows: struct mychip { struct snd_card *card; struct pci_dev *pci; unsigned long port; int irq; }; Signed-off-by: Christina Quast Signed-off-by: Takashi Iwai --- Documentation/sound/kernel-api/writing-an-alsa-driver.rst | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/sound/kernel-api/writing-an-alsa-driver.rst b/Documentation/sound/kernel-api/writing-an-alsa-driver.rst index 6b154dbb02cc..132f5eb9b530 100644 --- a/Documentation/sound/kernel-api/writing-an-alsa-driver.rst +++ b/Documentation/sound/kernel-api/writing-an-alsa-driver.rst @@ -324,7 +324,7 @@ to details explained in the following section. strcpy(card->driver, "My Chip"); strcpy(card->shortname, "My Own Chip 123"); sprintf(card->longname, "%s at 0x%lx irq %i", - card->shortname, chip->ioport, chip->irq); + card->shortname, chip->port, chip->irq); /* (5) */ .... /* implemented later */ @@ -437,7 +437,7 @@ Since each component can be properly freed, the single strcpy(card->driver, "My Chip"); strcpy(card->shortname, "My Own Chip 123"); sprintf(card->longname, "%s at 0x%lx irq %i", - card->shortname, chip->ioport, chip->irq); + card->shortname, chip->port, chip->irq); The driver field holds the minimal ID string of the chip. This is used by alsa-lib's configurator, so keep it simple but unique. Even the