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| author |   Jesper Juhl <jj@chaosbits.net> | 2011-01-21 13:40:54 -0600 |
|---|---|---|
| committer |   John W. Linville <linville@tuxdriver.com> | 2011-01-21 15:07:38 -0500 |
| commit | bdc4bf652bc0271ba8f1f25bbd3dbac90bead44e (patch) | |
| tree | 0df37186346b816a1f2c3c09b091175fc0f35568 /net | |
| parent | ath9k: add missing ps wakeup/restore calls (diff) | |
| download | linux-dev-bdc4bf652bc0271ba8f1f25bbd3dbac90bead44e.tar.xz linux-dev-bdc4bf652bc0271ba8f1f25bbd3dbac90bead44e.zip | |
rtlwifi: Fix possible NULL dereference
In drivers/net/wireless/rtlwifi/pci.c::_rtl_pci_rx_interrupt() we call
dev_alloc_skb(), which may fail and return NULL, but we do not check the
returned value against NULL before dereferencing the returned pointer.
This may lead to a NULL pointer dereference which means we'll crash - not
good.
In a separate call to dev_alloc_skb(), the debug level is changed so that
the failure message will always be logged.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net')
0 files changed, 0 insertions, 0 deletions