drivers: rmnet_perf: Check for over pulling
Much like the core driver, we must check for the return value of
rmnet_frag_pull() to ensure the descriptor is still valid before
continuing to process it.
Call Trace:
__memcpy+0x68/0x180
rmnet_perf_core_send_desc+0x48/0x58 [rmnet_perf]
rmnet_perf_opt_flush_single_flow_node+0x244/0x458 [rmnet_perf]
rmnet_perf_tcp_opt_ingress+0x228/0x270 [rmnet_perf]
rmnet_perf_opt_ingress+0x34c/0x3a0 [rmnet_perf]
rmnet_perf_core_desc_entry+0x114/0x168 [rmnet_perf]
Change-Id: I6665d7410bcdb6880af1ca20822328f81a2cc0ec
Signed-off-by:
Sean Tranchetti <stranche@codeaurora.org>
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