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v19.07.3_mercusys_ac12_duma
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Oldřich Jedlička 5e9aae9ef0 kernel: Fix off-by-one error in FIT mtd partition search. 
This fixes off-by-one error introduced in commit dc76900021
("kernel: Correctly search for the FIT image in mtd partition.")

Function `mtd_read` starts reading at `offset` and
needs `hdr_len` number of bytes to be available. Suppose
the easiest case when `offset` is `0` and `hdr_len` equals
to `mtd->size` - the `for` loop will not be entered even
when enough bytes are available to be read.

Same happens for any non-zero `offset`, when `hdr_len` is
just enough bytes to be read until `mtd->size` is reached.
Imagine that for example `mtd->size=5`, `offset=4` and
`hdr_len=1`. Then `offset+hdr_len=5` and the check has to
be `offset+hdr_len <= mtd->size`, i.e. `5 <= 5`. The
check for `offset + hdr_len` value needs to be inclusive,
therefore use `<=`.

Fixes: dc76900021 ("kernel: Correctly search for the FIT image in mtd partition.")
Signed-off-by: Oldřich Jedlička <oldium.pro@gmail.com>
[adjusted commit ref, fixes tag]
Signed-off-by: Petr Štetiar <ynezz@true.cz>
(cherry picked from commit e0ce80d42a)
 		5 years ago
..
apm821xx treewide: remove 4.19 leftovers 5 years ago
ar71xx kernel: bump 4.14 to 4.14.147 5 years ago
arc770 treewide: use wpad-basic for not small flash targets 6 years ago
archs38 treewide: use wpad-basic for not small flash targets 6 years ago
armvirt kernel: Remove CONFIG_COMPAT 5 years ago
at91 at91:renaming subtraget legacy to sam9x 5 years ago
ath25 treewide: sysupgrade: use $UPGRADE_BACKUP to check for backup 5 years ago
ath79 kernel: bump 4.14 to 4.14.147 5 years ago
bcm53xx treewide: remove 4.19 leftovers 5 years ago
brcm47xx treewide: remove 4.19 leftovers 5 years ago
brcm63xx kernel: bump 4.14 to 4.14.145 5 years ago
brcm2708 kernel: bump 4.14 to 4.14.147 5 years ago
cns3xxx treewide: remove 4.19 leftovers 5 years ago
gemini treewide: remove 4.19 leftovers 5 years ago
generic kernel: Fix off-by-one error in FIT mtd partition search. 5 years ago
imx6 treewide: remove 4.19 leftovers 5 years ago
ipq40xx treewide: remove 4.19 leftovers 5 years ago
ipq806x ipq806x: remove unsupported hw-crypto qce driver 5 years ago
kirkwood treewide: remove 4.19 leftovers 5 years ago
lantiq kernel: bump 4.14 to 4.14.145 5 years ago
layerscape kernel: bump 4.14 to 4.14.147 5 years ago
malta treewide: remove 4.19 leftovers 5 years ago
mediatek kernel: bump 4.14 to 4.14.145 5 years ago
mpc85xx treewide: remove 4.19 leftovers 5 years ago
mvebu treewide: use new procd sysupgrade $UPGRADE_BACKUP variable 5 years ago
mxs mxs: disable unused serial drivers 5 years ago
octeon treewide: remove 4.19 leftovers 5 years ago
octeontx kernel: Remove CONFIG_COMPAT 5 years ago
omap treewide: use new procd sysupgrade $UPGRADE_BACKUP variable 5 years ago
oxnas kernel: bump 4.14 to 4.14.128 5 years ago
pistachio kernel: bump 4.14 to 4.14.91 6 years ago
ramips kernel: bump 4.14 to 4.14.147 5 years ago
rb532 kernel: bump 4.14 to 4.14.86 6 years ago
samsung kernel: Do not set CONFIG_DEVMEM or CONFIG_DEVKMEM 5 years ago
sunxi treewide: remove 4.19 leftovers 5 years ago
tegra treewide: remove 4.19 leftovers 5 years ago
uml kernel: Deactivate CONFIG_BINFMT_MISC 5 years ago
x86 treewide: remove 4.19 leftovers 5 years ago
zynq zynq: make title consistent for all devices 5 years ago
Makefile
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