Avoid allocate memory if we will exit the function.

Was found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqv...@spectrumdigital.se>
---
 drivers/staging/ft1000/ft1000-usb/ft1000_hw.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c 
b/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c
index 08ce86a..502e16a 100644
--- a/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c
+++ b/drivers/staging/ft1000/ft1000-usb/ft1000_hw.c
@@ -332,15 +332,15 @@ int card_send_command(struct ft1000_usb *ft1000dev, void 
*ptempbuffer,
 
        pr_debug("enter card_send_command... size=%d\n", size);
 
+       ret = ft1000_read_register(ft1000dev, &temp, FT1000_REG_DOORBELL);
+       if (ret)
+               return ret;
+
        commandbuf = kmalloc(size + 2, GFP_KERNEL);
        if (!commandbuf)
                return -ENOMEM;
        memcpy((void *)commandbuf + 2, (void *)ptempbuffer, size);
 
-       ret = ft1000_read_register(ft1000dev, &temp, FT1000_REG_DOORBELL);
-       if (ret)
-               return ret;
-
        if (temp & 0x0100)
                usleep_range(900, 1100);
 
-- 
1.7.10.4

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