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(parent: 5218292) | patch
bnx2x: Safe bnx2x_panic_dump()
authorYuval Mintz <Yuval.Mintz@qlogic.com>
Sun, 17 Aug 2014 13:47:47 +0000 (16:47 +0300)
committerDavid S. Miller <davem@davemloft.net>
Fri, 22 Aug 2014 19:31:16 +0000 (12:31 -0700)
commitffb53c0ccb3583540614ce9d8fdcc9e473f921f2
treece7eeeb0770694a9c05e5f23c293b0e4fbb57032tree | snapshot
parent521829279937fee2839f419edfdb2cb1024d9be7commit | diff
bnx2x: Safe bnx2x_panic_dump()

The bnx2x panic dump spills a lot of information from the driver's
fastpath, but may be called while some of the fastpath is uninitialized.

This patch verifies that pointers are already allocated before dereferencing
them to prevent possible kernel panics.

Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c diff | blob | history
Linux Kernel Source Tree.