PM / Hibernate: user.c, fix SNAPSHOT_SET_SWAP_AREA handling
When CONFIG_DEBUG_BLOCK_EXT_DEVT is set we decode the device improperly by old_decode_dev and it results in an error while hibernating with s2disk. All users already pass the new device number, so switch to new_decode_dev(). Signed-off-by: Jiri Slaby <jslaby@suse.cz> Reported-and-tested-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: "Rafael J. Wysocki" <rjw@sisk.pl>
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@ -420,7 +420,7 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd,
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* User space encodes device types as two-byte values,
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* so we need to recode them
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*/
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swdev = old_decode_dev(swap_area.dev);
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swdev = new_decode_dev(swap_area.dev);
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if (swdev) {
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offset = swap_area.offset;
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data->swap = swap_type_of(swdev, offset, NULL);
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