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0dc1bfb730
fs_fat_write() is not able to write to subdirectories. Currently if a filepath with a leading slash is passed, the slash is treated as part of the filename to be created in the root directory. Strip leading (back-)slashes. Check that the remaining filename does not contain any illegal characters (<>:"/\|?*). This way we will throw an error when trying to write to a subdirectory. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>