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(parent: b40b3e9) | patch
mei: bus: type promotion bug in mei_fwver()
authorTomas Winkler <tomas.winkler@intel.com>
Wed, 11 Jul 2018 12:29:32 +0000 (15:29 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 12 Jul 2018 13:44:57 +0000 (15:44 +0200)
commitcf1ed2c59b982d892b7c4d25b3dea2421cc5aa08
tree966299b348b9e1703e630886dc05936eb0c332bctree | snapshot
parentb40b3e9358fbafff6a4ba0f4b9658f6617146f9ccommit | diff
mei: bus: type promotion bug in mei_fwver()

if __mei_cl_recv() returns a negative then "bytes_recv"
type is promoted to a high positive value in comparison with
size_t evaluated by MKHI_FWVER_LEN(1). It results in error condition
not to be detected.

Cc: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 9078ad92ef86 ("mei: expose fw version to sysfs")
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/misc/mei/bus-fixup.c diff | blob | history
John Crispins staging tree