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| author |   Luca Boccassi <luca.boccassi@gmail.com> | 2017-11-13 10:38:04 +0000 |
|---|---|---|
| committer | Luca Boccassi <luca.boccassi@gmail.com> | 2017-11-13 10:38:39 +0000 |
| commit | 976be7358289d46cd5ed8131bbf2e2c5a6838d3c (patch) | |
| tree | 5e6f873dd1658446539f9d4621e2d16f559c867d /drivers/net/nfp/nfp_nfpu.c | |
| parent | 055c52583a2794da8ba1e85a48cce3832372b12f (diff) | |
New upstream version 17.11~rc4
Change-Id: I5cc288310eaa28cb8c2e475afce5e19f8c08ba1e
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'drivers/net/nfp/nfp_nfpu.c')
| -rw-r--r-- | drivers/net/nfp/nfp_nfpu.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/nfp/nfp_nfpu.c b/drivers/net/nfp/nfp_nfpu.c index 5775d8da..f11afef3 100644 --- a/drivers/net/nfp/nfp_nfpu.c +++ b/drivers/net/nfp/nfp_nfpu.c @@ -75,8 +75,13 @@ nfpu_open(struct rte_pci_device *pci_dev, nfpu_desc_t *desc, int nfp) /* barsz in log2 */ while (barsz >>= 1) i++; + barsz = i; + /* Sanity check: we can assume any bar size less than 1MB an error */ + if (barsz < 20) + return -1; + /* Getting address for NFP expansion BAR registers */ cfg_base = pci_dev->mem_resource[0].addr; cfg_base = (uint8_t *)cfg_base + NFP_CFG_EXP_BAR_CFG_BASE; |