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authorRomain Izard <romain.izard.pro@gmail.com>2018-01-29 11:18:20 +0100
committerRichard Weinberger <richard@nod.at>2018-04-04 23:48:05 +0200
commit78a8dfbabbece22bee58ac4cb26cab10e7a19c5d (patch)
treef76960c07b44bc64eab46704c89d10daeed0c920 /fs/ubifs
parent29b7a6fa1ec07e8480b0d9caf635a4498a438bf4 (diff)
download96b-common-78a8dfbabbece22bee58ac4cb26cab10e7a19c5d.tar.gz
ubi: Fix error for write access
When opening a device with write access, ubiblock_open returns an error code. Currently, this error code is -EPERM, but this is not the right value. The open function for other block devices returns -EROFS when opening read-only devices with FMODE_WRITE set. When used with dm-verity, the veritysetup userspace tool is expecting EROFS, and refuses to use the ubiblock device. Use -EROFS for ubiblock as well. As a result, veritysetup accepts the ubiblock device as valid. Cc: stable@vger.kernel.org Fixes: 9d54c8a33eec (UBI: R/O block driver on top of UBI volumes) Signed-off-by: Romain Izard <romain.izard.pro@gmail.com> Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'fs/ubifs')
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