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bnx2x: Make BP_VF more robust 

Prevent dereference of pointer in case it's NULL.

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>
This commit is contained in:
Yuval Mintz 2014-08-17 16:47:50 +03:00 committed by David S. Miller
parent a345ce71e5
commit 58fee00ffa
1 changed files with 2 additions and 1 deletions
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3
drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h
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@ -299,7 +299,8 @@ struct bnx2x_vfdb {
#define BP_VFDB(bp) ((bp)->vfdb)
/* vf array */
struct bnx2x_virtf *vfs;
#define BP_VF(bp, idx) (&((bp)->vfdb->vfs[idx]))
#define BP_VF(bp, idx) ((BP_VFDB(bp) && (bp)->vfdb->vfs) ? \
&((bp)->vfdb->vfs[idx]) : NULL)
#define bnx2x_vf(bp, idx, var) ((bp)->vfdb->vfs[idx].var)
/* queue array - for all vfs */