diff options
author | Alan Cox <alan@linux.intel.com> | 2014-12-10 15:06:40 +0000 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-01-12 05:04:12 -0800 |
commit | 8402641b2dc73748dde81e3513ac61c8436be3cb (patch) | |
tree | 1b07dd8997e0e5c9091da5f877676213cb494810 /drivers/pcmcia/cistpl.c | |
parent | b38a4bd319e615b4eb4be9d8c0d5ddc13113c768 (diff) | |
download | linux-8402641b2dc73748dde81e3513ac61c8436be3cb.tar.bz2 |
pcmcia: Fix requery
The requery logic goes off and attempts to read the CIS of empty slots. In
most cases this happens not to do any harm - but not all!
Add the missing check and also a WARN() to catch any other offenders.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/pcmcia/cistpl.c')
-rw-r--r-- | drivers/pcmcia/cistpl.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c index 4ff725ca2c74..8b3b49217287 100644 --- a/drivers/pcmcia/cistpl.c +++ b/drivers/pcmcia/cistpl.c @@ -1386,7 +1386,7 @@ int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *info) if (!s) return -EINVAL; - if (s->functions) { + if (s->functions || !(s->state & SOCKET_PRESENT)) { WARN_ON(1); return -EINVAL; } |