diff options
| author | Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se> | 2014-12-29 13:41:33 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-01-17 15:22:31 -0800 |
| commit | 64ed8f51f97304f811f34e89afdccf7bf9836a93 (patch) | |
| tree | 001efd2daa1db5b9e718dff6779530390b142f4f /drivers/staging/ft1000 | |
| parent | 0a5470f80ce7731160bbf8173e9df1ebeeb7e9e6 (diff) | |
staging: ft1000: ft1000-usb: ft1000_hw.c: Fix a potential memory leak.
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_strandqvist@spectrumdigital.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/ft1000')
| -rw-r--r-- | drivers/staging/ft1000/ft1000-usb/ft1000_hw.c | 8 |
1 files 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 d12cfc9aa32a..f0ac43838461 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); |