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ixp4xx: Don't overwrite memory in wg302v1_fixup()
authorJohn Crispin <[email protected]>
Wed, 19 Nov 2014 14:09:19 +0000 (14:09 +0000)
committerJohn Crispin <[email protected]>
Wed, 19 Nov 2014 14:09:19 +0000 (14:09 +0000)
commit83381c5c8fabe913f3a6966a7acacd44c429f6e8
tree7834ba3e2c998abf05973e833269396549449a97tree | snapshot
parentda5001475c093f296248fe6842d9188d4f64fd4ecommit | diff
ixp4xx: Don't overwrite memory in wg302v1_fixup()

wg302v1_fixup() looks for the ATAG_CMDLINE atag, it doesn't find it and
so it takes the last atag in the list and overwrites non allocated
memory.

The side effects are corrupted vital data and a kernel that doesn't
boot. More details here https://dev.openwrt.org/ticket/18356

The fix appends the fixup to the command line and updates the atag only
when it finds it.

Signed-off-by: Gianluca Anzolin <[email protected]>
SVN-Revision: 43320
target/linux/ixp4xx/patches-3.10/162-wg302v1_mem_fixup.patch diff | blob | history
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