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    Subject[PATCH 2/4] kernel: fix integer as NULL pointer warnings
    From
    Date
    kernel/cpuset.c:1268:52: warning: Using plain integer as NULL pointer
    kernel/pid_namespace.c:95:24: warning: Using plain integer as NULL pointer

    Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
    ---
    kernel/cpuset.c | 3 ++-
    kernel/pid_namespace.c | 2 +-
    2 files changed, 3 insertions(+), 2 deletions(-)

    diff --git a/kernel/cpuset.c b/kernel/cpuset.c
    index 024888b..48a976c 100644
    --- a/kernel/cpuset.c
    +++ b/kernel/cpuset.c
    @@ -1265,7 +1265,8 @@ static ssize_t cpuset_common_file_write(struct cgroup *cont,
    return -E2BIG;

    /* +1 for nul-terminator */
    - if ((buffer = kmalloc(nbytes + 1, GFP_KERNEL)) == 0)
    + buffer = kmalloc(nbytes + 1, GFP_KERNEL);
    + if (!buffer)
    return -ENOMEM;

    if (copy_from_user(buffer, userbuf, nbytes)) {
    diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
    index 6d792b6..5ca37fa 100644
    --- a/kernel/pid_namespace.c
    +++ b/kernel/pid_namespace.c
    @@ -92,7 +92,7 @@ static struct pid_namespace *create_pid_namespace(int level)
    atomic_set(&ns->pidmap[0].nr_free, BITS_PER_PAGE - 1);

    for (i = 1; i < PIDMAP_ENTRIES; i++) {
    - ns->pidmap[i].page = 0;
    + ns->pidmap[i].page = NULL;
    atomic_set(&ns->pidmap[i].nr_free, BITS_PER_PAGE);
    }

    --
    1.5.5.1.270.g89765



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