PCI: return error on failure to read PCI ROMs

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This patch makes the ROM reading code return an error to user space if
the size of the ROM read is equal to 0.

The patch also emits a warnings if the contents of the ROM are invalid,
and documents the effects of the "enable" file on ROM reading.

Signed-off-by: Timothy S. Nelson <wayland@wayland.id.au>
Acked-by: Alex Villacis-Lasso <a_villacis@palosanto.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

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Timothy S. Nelson 2009-01-30 06:12:47 +11:00 • committed by Jesse Barnes

parent 3419c75e15

commit 97c44836cd

6 changed files with 22 additions and 9 deletions

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include/linux/pci.h

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