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fs/rpmsgfs: Zero dirs after realloc to avoid stale data

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since many places assume the null pointer as an unused entry

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This commit is contained in:
Xiang Xiao 2023-06-25 03:56:35 +08:00 committed by Alan Carvalho de Assis
parent d33f90b78c
commit 987b01221c
1 changed files with 3 additions and 0 deletions
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fs/rpmsgfs/rpmsgfs_server.c
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@ -285,6 +285,9 @@ static int rpmsgfs_attach_dir(FAR struct rpmsgfs_server_s *priv,
return -ENOMEM;
}
memset(&tmp[priv->dir_nums], 0, sizeof(FAR void *) *
CONFIG_NFILE_DESCRIPTORS_PER_BLOCK);
priv->dirs = tmp;
priv->dir_nums += CONFIG_NFILE_DESCRIPTORS_PER_BLOCK;