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    Subject[PATCH] fs/direct-io.c: Fix compilation warning for uninitialized variables
    Date
    From: Pramod Gurav <pramod.gurav.etc@gmail.com>

    Fixes below warning while compiling the kernel.

    fs/direct-io.c: In function ‘__blockdev_direct_IO’:
    fs/direct-io.c:1011:12: warning: ‘to’ may be used uninitialized in this function [-Wmaybe-uninitialized]
    fs/direct-io.c:913:16: note: ‘to’ was declared here
    fs/direct-io.c:1011:12: warning: ‘from’ may be used uninitialized in this function [-Wmaybe-uninitialized]
    fs/direct-io.c:913:10: note: ‘from’ was declared here

    Signed-off-by: Pramod Gurav <pramod.gurav.etc@gmail.com>

    CC: Alexander Viro <viro@zeniv.linux.org.uk>
    CC: linux-fsdevel@vger.kernel.org
    CC: linux-kernel@vger.kernel.org
    ---
    fs/direct-io.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/fs/direct-io.c b/fs/direct-io.c
    index 98040ba..6ad5d2c 100644
    --- a/fs/direct-io.c
    +++ b/fs/direct-io.c
    @@ -910,7 +910,7 @@ static int do_direct_IO(struct dio *dio, struct dio_submit *sdio,

    while (sdio->block_in_file < sdio->final_block_in_request) {
    struct page *page;
    - size_t from, to;
    + size_t from = 0, to = 0;
    page = dio_get_page(dio, sdio, &from, &to);
    if (IS_ERR(page)) {
    ret = PTR_ERR(page);
    --
    1.7.9.5
    --
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