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| author | Darren Jenkins <darrenrjenkins@gmail.com> | 2008-07-12 13:47:49 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-12 14:33:41 -0700 |
| commit | 43f77e91eadbc290eb76a08110a039c809dde6c9 (patch) | |
| tree | db580a0c9514ea29950c1daeda5cf4345e7d7fd3 | |
| parent | a26929fb489188ff959b1715ee67f0c9f84405b5 (diff) | |
| download | linux-43f77e91eadbc290eb76a08110a039c809dde6c9.tar.bz2 | |
drivers/char/pcmcia/ipwireless/hardware.c fix resource leak
Coverity CID: 2172 RESOURCE_LEAK
When pool_allocate() tries to enlarge a packet, if it can not allocate enough
memory, it returns NULL without first freeing the old packet.
This patch just frees the packet first.
Signed-off-by: Darren Jenkins <darrenrjenkins@gmail.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/char/pcmcia/ipwireless/hardware.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/char/pcmcia/ipwireless/hardware.c b/drivers/char/pcmcia/ipwireless/hardware.c index ba6340ae98af..929101ecbae2 100644 --- a/drivers/char/pcmcia/ipwireless/hardware.c +++ b/drivers/char/pcmcia/ipwireless/hardware.c @@ -590,8 +590,10 @@ static struct ipw_rx_packet *pool_allocate(struct ipw_hardware *hw, packet = kmalloc(sizeof(struct ipw_rx_packet) + old_packet->length + minimum_free_space, GFP_ATOMIC); - if (!packet) + if (!packet) { + kfree(old_packet); return NULL; + } memcpy(packet, old_packet, sizeof(struct ipw_rx_packet) + old_packet->length); |