uprobes: Do not play with utask in xol_get_insn_slot()

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pre_ssout()->xol_get_insn_slot() path is confusing and buggy. This patch
cleanups the code, the next one fixes the bug.

Change xol_get_insn_slot() to only allocate the slot and do nothing more,
move the initialization of utask->xol_vaddr/vaddr into pre_ssout().

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Anton Arapov <anton@redhat.com>
Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>

...

This commit is contained in:

Oleg Nesterov 2012-12-31 18:00:06 +01:00

parent 5a2df662aa

commit a6cb3f6d51

1 changed files with 21 additions and 16 deletions

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kernel/events/uprobes.c

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