staging: unisys: visorbus change -1 return values
This patch changes the vague -1 return values to -EFAULT since it would be the most appropriate, given that this error would only occur in an unexpected bad offset field. Resulting in a bad address. Signed-off-by: Erik Arfvidson <erik.arfvidson@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -876,10 +876,10 @@ write_vbus_chp_info(struct visorchannel *chan,
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int off = sizeof(struct channel_header) + hdr_info->chp_info_offset;
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if (hdr_info->chp_info_offset == 0)
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return -1;
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return -EFAULT;
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if (visorchannel_write(chan, off, info, sizeof(*info)) < 0)
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return -1;
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return -EFAULT;
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return 0;
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}
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@ -895,10 +895,10 @@ write_vbus_bus_info(struct visorchannel *chan,
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int off = sizeof(struct channel_header) + hdr_info->bus_info_offset;
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if (hdr_info->bus_info_offset == 0)
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return -1;
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return -EFAULT;
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if (visorchannel_write(chan, off, info, sizeof(*info)) < 0)
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return -1;
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return -EFAULT;
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return 0;
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}
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@ -915,10 +915,10 @@ write_vbus_dev_info(struct visorchannel *chan,
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(hdr_info->device_info_struct_bytes * devix);
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if (hdr_info->dev_info_offset == 0)
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return -1;
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return -EFAULT;
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if (visorchannel_write(chan, off, info, sizeof(*info)) < 0)
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return -1;
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return -EFAULT;
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return 0;
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}
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