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[PATCH] pcnet32: fix resource leak with loopback test 

When running the loopback test, resources are not properly released on
completion.  This patch frees all transmit resources after running the
loopback test.  Tested on ia32 and ppc64 hardware.

Signed-off-by: Don Fry <brazilnut@us.ibm.com>
hifive-unleashed-5.1
Don Fry 2005-04-29 14:51:17 -07:00 committed by Jeff Garzik
parent 88d7bd8cb9
commit 1bcd315362
1 changed files with 5 additions and 2 deletions
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7
drivers/net/pcnet32.c
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@ -22,8 +22,8 @@
*************************************************************************/
#define DRV_NAME "pcnet32"
#define DRV_VERSION "1.30i"
#define DRV_RELDATE "06.28.2004"
#define DRV_VERSION "1.30j"
#define DRV_RELDATE "29.04.2005"
#define PFX DRV_NAME ": "
static const char *version =
@ -256,6 +256,7 @@ static int homepna[MAX_UNITS];
* homepna for selecting HomePNA mode for PCNet/Home 79C978.
* v1.30h 24 Jun 2004 Don Fry correctly select auto, speed, duplex in bcr32.
* v1.30i 28 Jun 2004 Don Fry change to use module_param.
* v1.30j 29 Apr 2005 Don Fry fix skb/map leak with loopback test.
*/
@ -395,6 +396,7 @@ static void pcnet32_led_blink_callback(struct net_device *dev);
static int pcnet32_get_regs_len(struct net_device *dev);
static void pcnet32_get_regs(struct net_device *dev, struct ethtool_regs *regs,
void *ptr);
static void pcnet32_purge_tx_ring(struct net_device *dev);
enum pci_flags_bit {
PCI_USES_IO=1, PCI_USES_MEM=2, PCI_USES_MASTER=4,
@ -785,6 +787,7 @@ static int pcnet32_loopback_test(struct net_device *dev, uint64_t *data1)
}
clean_up:
pcnet32_purge_tx_ring(dev);
x = a->read_csr(ioaddr, 15) & 0xFFFF;
a->write_csr(ioaddr, 15, (x & ~0x0044)); /* reset bits 6 and 2 */