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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2013-11-07 12:25:32 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-11-25 18:14:29 +0100 |
| commit | 6330f9cf347849de74899e5fac00bfecd84a6b43 (patch) | |
| tree | 876904b000ae9519f95c9fb449e4b290c80d1846 | |
| parent | Staging: vt6655-6: potential NULL dereference in hostap_disable_hostapd() (diff) | |
| download | linux-6330f9cf347849de74899e5fac00bfecd84a6b43.tar.xz linux-6330f9cf347849de74899e5fac00bfecd84a6b43.zip | |
staging: nvec: potential NULL dereference on error path
We assume nvec->rx can be NULL earlier so I have added a check here as
well.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/nvec/nvec.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c index 3066ee2e753b..49ea76b3435d 100644 --- a/drivers/staging/nvec/nvec.c +++ b/drivers/staging/nvec/nvec.c @@ -681,7 +681,8 @@ static irqreturn_t nvec_interrupt(int irq, void *dev) dev_err(nvec->dev, "RX buffer overflow on %p: " "Trying to write byte %u of %u\n", - nvec->rx, nvec->rx->pos, NVEC_MSG_SIZE); + nvec->rx, nvec->rx ? nvec->rx->pos : 0, + NVEC_MSG_SIZE); break; default: nvec->state = 0; |