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V4L/DVB (13025): s2250-board: Fix memory leaks

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In some error cases, allocated buffers need to be freed before returning.

Signed-off-by: Pete Eberlein <pete@sensoray.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Pete Eberlein 2009-09-18 22:05:19 -03:00 committed by Mauro Carvalho Chehab
parent bb871652d9
commit d66ddf2172
1 changed files with 8 additions and 2 deletions
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10
drivers/staging/go7007/s2250-board.c
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@ -203,10 +203,13 @@ static int write_reg_fp(struct i2c_client *client, u16 addr, u16 val)
usb = go->hpi_context;
if (mutex_lock_interruptible(&usb->i2c_lock) != 0) {
printk(KERN_INFO "i2c lock failed\n");
kfree(buf);
return -EINTR;
}
if (go7007_usb_vendor_request(go, 0x57, addr, val, buf, 16, 1) < 0)
if (go7007_usb_vendor_request(go, 0x57, addr, val, buf, 16, 1) < 0) {
kfree(buf);
return -EFAULT;
}
mutex_unlock(&usb->i2c_lock);
if (buf[0] == 0) {
@ -214,6 +217,7 @@ static int write_reg_fp(struct i2c_client *client, u16 addr, u16 val)
subaddr = (buf[4] << 8) + buf[5];
val_read = (buf[2] << 8) + buf[3];
kfree(buf);
if (val_read != val) {
printk(KERN_INFO "invalid fp write %x %x\n",
val_read, val);
@ -224,8 +228,10 @@ static int write_reg_fp(struct i2c_client *client, u16 addr, u16 val)
subaddr, addr);
return -EFAULT;
}
} else
} else {
kfree(buf);
return -EFAULT;
}
/* save last 12b value */
if (addr == 0x12b)