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2018-05-07SPDX: Convert all of our single license tags to Linux Kernel styleTom Rini
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
2017-11-29fs: avoid possible NULL dereference in fs_devreadHeinrich Schuchardt
It is unwise to first dereference a variable and then to check if it was NULL. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Marek Behun <marek.behun@nic.cz> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2017-10-02fs: Create a common fs_devread for ext4/reiserfs/zfsMarek BehĂșn
The ext4, reiserfs and zfs filesystems all have their own implementation of the same function, *_devread. Generalize this function into fs_devread and put the code into fs/fs_internal.c. Signed-off-by: Marek Behun <marek.behun@nic.cz> [trini: Move fs/fs_internal.o hunk to the end of fs/Makefile as all cases need it] Signed-off-by: Tom Rini <trini@konsulko.com>