Commit e0ad8fc5 authored Oct 26, 2017 by Michael Chan Committed by David S. Miller Oct 28, 2017

bnxt_en: Check for zero length value in bnxt_get_nvram_item().



Return -EINVAL if the length is zero and not proceed to do essentially
nothing.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 618784e3

drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1773,6 +1773,9 @@ static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
		dma_addr_t dma_handle;
		struct hwrm_nvm_read_input req = {0};

		if (!length)
		return -EINVAL;

		buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
		GFP_KERNEL);
		if (!buf) {