Greg Ungerer e4ba4fc2b9 romfs: fix nommu map length to keep inside filesystem ... Checks introduced in commit 4991e7251 ("romfs: do not use mtd->get_unmapped_area directly") re-introduce problems fixed in the earlier commit 2b4b2482e ("romfs: fix romfs_get_unmapped_area() argument check"). If a flat binary app is located at the end of a romfs, its page aligned length may be outside of the romfs filesystem. The flat binary loader, via nommu do_mmap_pgoff(), page aligns the length it is mmaping. So simple offset+size checks will fail - returning EINVAL. We can truncate the length to keep it inside the romfs filesystem, and that also keeps the call to mtd_get_unmapped_area() happy. Are there any side effects to truncating the size here though? Signed-off-by: Greg Ungerer <gerg@uclinux.org>		2013-04-29 09:17:57 +10:00
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internal.h
Kconfig
Makefile
mmap-nommu.c	romfs: fix nommu map length to keep inside filesystem	2013-04-29 09:17:57 +10:00
storage.c	romfs: switch to new MTD API	2012-03-27 00:19:30 +01:00
super.c	fs: Limit sys_mount to only request filesystem modules.	2013-03-03 19:36:31 -08:00