diff options
| author | Devendra Naga <devendra.aaru@gmail.com> | 2014-11-30 01:48:34 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-12-03 03:45:24 +0300 |
| commit | 5f18611038f9c9d503318490069b730c942523f8 (patch) | |
| tree | 1808c89ed4acb0a157774adde6a453c7b4156ddb /drivers/staging/clocking-wizard | |
| parent | 315f9a2fe237c81535695005592eb7c586f3181e (diff) | |
| download | linux-5f18611038f9c9d503318490069b730c942523f8.tar.xz | |
staging: clocking-wizard: check for a valid clk_name pointer
The clk_name gets the return value from kasprintf (part of which does the
allocation of the returned buffer). So check the return pointer
before using it for clk_register_fixed_factor.
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Reviewed-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/clocking-wizard')
| -rw-r--r-- | drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c b/drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c index 7202d8e889aa..0a3a8fe67fb5 100644 --- a/drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c +++ b/drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.c @@ -221,6 +221,11 @@ static int clk_wzrd_probe(struct platform_device *pdev) reg = (readl(clk_wzrd->base + WZRD_CLK_CFG_REG(0)) & WZRD_DIVCLK_DIVIDE_MASK) >> WZRD_DIVCLK_DIVIDE_SHIFT; clk_name = kasprintf(GFP_KERNEL, "%s_mul_div", dev_name(&pdev->dev)); + if (!clk_name) { + ret = -ENOMEM; + goto err_rm_int_clk; + } + clk_wzrd->clks_internal[wzrd_clk_mul_div] = clk_register_fixed_factor( &pdev->dev, clk_name, __clk_get_name(clk_wzrd->clks_internal[wzrd_clk_mul]), |