From 25e2d79f527b7abce624f30516f3167195b69a2e Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 4 Oct 2005 17:40:44 +0100 Subject: [PATCH] [PATCH] bogus kfree() in ibmtr On several failure exits in ibmtr we end up doing kfree() on dev->priv, with dev allocated by alloc_trdev() and ->priv never reassigned. Signed-off-by: Al Viro Signed-off-by: Linus Torvalds --- drivers/net/tokenring/ibmtr.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/net/tokenring/ibmtr.c b/drivers/net/tokenring/ibmtr.c index e7b001017b..32057e6580 100644 --- a/drivers/net/tokenring/ibmtr.c +++ b/drivers/net/tokenring/ibmtr.c @@ -531,7 +531,6 @@ static int __devinit ibmtr_probe1(struct net_device *dev, int PIOaddr) if (!time_after(jiffies, timeout)) continue; DPRINTK( "Hardware timeout during initialization.\n"); iounmap(t_mmio); - kfree(ti); return -ENODEV; } ti->sram_phys = @@ -645,7 +644,6 @@ static int __devinit ibmtr_probe1(struct net_device *dev, int PIOaddr) DPRINTK("Unknown shared ram paging info %01X\n", ti->shared_ram_paging); iounmap(t_mmio); - kfree(ti); return -ENODEV; break; } /*end switch shared_ram_paging */ @@ -675,7 +673,6 @@ static int __devinit ibmtr_probe1(struct net_device *dev, int PIOaddr) "driver limit (%05x), adapter not started.\n", chk_base, ibmtr_mem_base + IBMTR_SHARED_RAM_SIZE); iounmap(t_mmio); - kfree(ti); return -ENODEV; } else { /* seems cool, record what we have figured out */ ti->sram_base = new_base >> 12; @@ -690,7 +687,6 @@ static int __devinit ibmtr_probe1(struct net_device *dev, int PIOaddr) DPRINTK("Could not grab irq %d. Halting Token Ring driver.\n", irq); iounmap(t_mmio); - kfree(ti); return -ENODEV; } /*?? Now, allocate some of the PIO PORTs for this driver.. */ @@ -699,7 +695,6 @@ static int __devinit ibmtr_probe1(struct net_device *dev, int PIOaddr) DPRINTK("Could not grab PIO range. Halting driver.\n"); free_irq(dev->irq, dev); iounmap(t_mmio); - kfree(ti); return -EBUSY; } -- 2.39.5