6.18-stable review patch. If anyone has any objections, please let me know.
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From: Li Qiang liqiang01@kylinos.cn
[ Upstream commit d48fb15e6ad142e0577428a8c5028136e10c7b3d ]
devm_kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.
Fixes: d57801c45f53e ("uio: uio_fsl_elbc_gpcm: use device-managed allocators") Signed-off-by: Li Qiang liqiang01@kylinos.cn Link: https://patch.msgid.link/20251015064020.56589-1-liqiang01@kylinos.cn Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/uio/uio_fsl_elbc_gpcm.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/drivers/uio/uio_fsl_elbc_gpcm.c b/drivers/uio/uio_fsl_elbc_gpcm.c index 81454c3e2484c..338dd2aaabc87 100644 --- a/drivers/uio/uio_fsl_elbc_gpcm.c +++ b/drivers/uio/uio_fsl_elbc_gpcm.c @@ -384,6 +384,11 @@ static int uio_fsl_elbc_gpcm_probe(struct platform_device *pdev)
/* set all UIO data */ info->mem[0].name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%pOFn", node); + if (!info->mem[0].name) { + ret = -ENODEV; + goto out_err3; + } + info->mem[0].addr = res.start; info->mem[0].size = resource_size(&res); info->mem[0].memtype = UIO_MEM_PHYS; @@ -423,6 +428,8 @@ static int uio_fsl_elbc_gpcm_probe(struct platform_device *pdev) out_err2: if (priv->shutdown) priv->shutdown(info, true); + +out_err3: iounmap(info->mem[0].internal_addr); return ret; }