diff options
| author | Dan Carpenter <dan.carpenter@linaro.org> | 2024-02-20 12:02:31 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-03-07 21:48:38 +0000 |
| commit | 316459ba4051fd91237171fdca88920128a646f1 (patch) | |
| tree | 350de588fd955c63b42305b8f004abcb230a51cf /drivers/char | |
| parent | b44abdd29423a77074a9edb462de37f1a09daaab (diff) | |
| download | linux-316459ba4051fd91237171fdca88920128a646f1.tar.gz | |
char: xilinx_hwicap: Fix NULL vs IS_ERR() bug
The devm_platform_ioremap_resource() function returns error pointers.
It never returns NULL. Update the check accordingly.
Fixes: 672371832193 ("char: xilinx_hwicap: Modernize driver probe")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/ef647a9c-b1b7-4338-9bc0-28165ec2a367@moroto.mountain
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/xilinx_hwicap/xilinx_hwicap.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.c b/drivers/char/xilinx_hwicap/xilinx_hwicap.c index 3aaa4b4d9f08b7..4f6c3cb8aa4138 100644 --- a/drivers/char/xilinx_hwicap/xilinx_hwicap.c +++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.c @@ -639,8 +639,8 @@ static int hwicap_setup(struct platform_device *pdev, int id, dev_set_drvdata(dev, drvdata); drvdata->base_address = devm_platform_ioremap_resource(pdev, 0); - if (!drvdata->base_address) { - retval = -ENODEV; + if (IS_ERR(drvdata->base_address)) { + retval = PTR_ERR(drvdata->base_address); goto failed; } |