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(parent: ebc792e) | patch
ionic: check for binary values in FW ver string
authorShannon Nelson <snelson@pensando.io>
Fri, 1 Oct 2021 18:05:52 +0000 (11:05 -0700)
committerDavid S. Miller <davem@davemloft.net>
Sat, 2 Oct 2021 13:00:21 +0000 (14:00 +0100)
commit36b20b7fb1c3cba2334f772face5f42f8e644a8f
tree6d6ff95657a1c06e754cf0f19157bccd4509fde5tree | snapshot
parentebc792e26cb0fe7ef5b320efe3cd5f524bfd6454commit | diff
ionic: check for binary values in FW ver string

If the PCI connection is broken, reading the FW version string
will only get 0xff bytes, which shouldn't get printed.  This
checks the first byte and prints only the first 4 bytes
if non-ASCII.

Also, add a limit to the string length printed when a valid
string is found, just in case it is not properly terminated.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/pensando/ionic/ionic_main.c diff | blob | history
Domain: System / Kernel;