staging: rtl8192e: rtl92e_fill_tx_desc fix write to mapped out memory.

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The driver attempts to alter memory that is mapped to PCI device.

This is because tx_fwinfo_8190pci points to skb->data

Move the pci_map_single to when completed buffer is ready to be mapped with
psdec is empty to drop on mapping error.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Malcolm Priestley 2017-05-11 18:57:43 +01:00 • committed by Greg Kroah-Hartman

parent ff92b9e3c9

commit baabd567f8

1 changed files with 9 additions and 4 deletions

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drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c

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