/****************************************************************************** * console.h * * Console I/O interface for Xen guest OSes. * * Copyright (c) 2005, Keir Fraser */ #ifndef __XEN_PUBLIC_IO_CONSOLE_H__ #define __XEN_PUBLIC_IO_CONSOLE_H__ typedef uint32_t XENCONS_RING_IDX; #define MASK_XENCONS_IDX(idx, ring) ((idx) & (sizeof(ring)-1)) struct xencons_interface { char in[1024]; char out[2048]; XENCONS_RING_IDX in_cons, in_prod; XENCONS_RING_IDX out_cons, out_prod; }; #endif /* __XEN_PUBLIC_IO_CONSOLE_H__ */ pository'/>
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authorAlan Brady <alan.brady@intel.com>2016-11-08 13:05:05 -0800
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2016-12-02 23:10:41 -0800
commit47d2a5d8279dcdcaec2c67b3d2c72cfa62979c58 (patch)
tree970955bded152a17aa64049490c756029225383a
parentdedecb6d429bd3311bb24ea1379b47c8471c88b9 (diff)
i40evf: check for msix_entries null dereference
It is possible for msix_entries to be freed by a previous suspend/remove before a VF is closed. This patch fixes the issue by checking for NULL before dereferencing msix_entries and returning early in the case where it is NULL within the i40evf_close code path. Without this patch it is possible to trigger a kernel panic through NULL dereference. Change-ID: I92a2746e82533a889e25f91578eac9abd0388ae2 Signed-off-by: Alan Brady <alan.brady@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40evf_main.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c