n_gsm: add missing __user annotations
sparse warns about incorrect types: n_gsm.c:2638:35: warning: incorrect type in argument 1 (different address spaces) n_gsm.c:2638:35: expected void [noderef] <asn:1> *to n_gsm.c:2638:35: got void * The ioctl handler casts its `arg' to (void *) without __user. Add that. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20200219084949.28074-5-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -2638,11 +2638,11 @@ static int gsmld_ioctl(struct tty_struct *tty, struct file *file,
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switch (cmd) {
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case GSMIOC_GETCONF:
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gsm_copy_config_values(gsm, &c);
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if (copy_to_user((void *)arg, &c, sizeof(c)))
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if (copy_to_user((void __user *)arg, &c, sizeof(c)))
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return -EFAULT;
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return 0;
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case GSMIOC_SETCONF:
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if (copy_from_user(&c, (void *)arg, sizeof(c)))
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if (copy_from_user(&c, (void __user *)arg, sizeof(c)))
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return -EFAULT;
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return gsm_config(gsm, &c);
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case GSMIOC_GETFIRST:
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