Messages in this thread | | | Subject | Re: [PATCH] fs/fuse/virtio_fs: Fix a potential memory allocation failure | From | Connor Kuehl <> | Date | Wed, 24 Mar 2021 08:58:26 -0500 |
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On 3/24/21 7:38 AM, zhouchuangao wrote: > Allocate memory for struct fuse_conn may fail, we should not jump to > out_err to kfree(fc).
Why not? If fc's allocation fails then it is NULL and calling kfree() on a NULL pointer is a noop[1].
Connor
[1] https://www.kernel.org/doc/html/latest/core-api/mm-api.html?highlight=kfree#c.kfree
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