mirror of https://gitee.com/openkylin/linux.git
[PATCH] pcmcia: warn on IOCTL usage
More visible user information of scheduled feature removal. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -376,6 +376,7 @@ static int ds_open(struct inode *inode, struct file *file)
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socket_t i = iminor(inode);
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struct pcmcia_socket *s;
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user_info_t *user;
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static int warning_printed = 0;
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ds_dbg(0, "ds_open(socket %d)\n", i);
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@ -407,6 +408,17 @@ static int ds_open(struct inode *inode, struct file *file)
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s->user = user;
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file->private_data = user;
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if (!warning_printed) {
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printk(KERN_INFO "pcmcia: Detected deprecated PCMCIA ioctl "
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"usage.\n");
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printk(KERN_INFO "pcmcia: This interface will soon be removed from "
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"the kernel; please expect breakage unless you upgrade "
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"to new tools.\n");
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printk(KERN_INFO "pcmcia: see http://www.kernel.org/pub/linux/"
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"utils/kernel/pcmcia/pcmcia.html for details.\n");
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warning_printed = 1;
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}
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if (s->pcmcia_state.present)
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queue_event(user, CS_EVENT_CARD_INSERTION);
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return 0;
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