[~/public_html/my_proj]# sh PATCH_SUPEE-7405_CE_1.9.2.3_v1.1-2016-02-23-07-46-32.sh
    Checking if patch can be applied/reverted successfully...
    ERROR: Patch can't be applied/reverted successfully.

    patching file app/code/core/Mage/Adminhtml/Helper/Sales.php
    Reversed (or previously applied) patch detected!  Assume -R? [n]
    Apply anyway? [n]
    Skipping patch.
    1 out of 1 hunk ignored -- saving rejects to file app/code/core/Mage/Adminhtml/Helper/Sales.php.rej

    patching file app/code/core/Mage/Core/Model/Config.php
    Reversed (or previously applied) patch detected!  Assume -R? [n]
    Apply anyway? [n]
    Skipping patch.
    1 out of 1 hunk ignored -- saving rejects to file app/code/core/Mage/Core/Model/Config.php.rej

    patching file app/code/core/Mage/Sales/Model/Quote/Item.php
    Reversed (or previously applied) patch detected!  Assume -R? [n]
    Apply anyway? [n]
    Skipping patch.
    1 out of 1 hunk ignored -- saving rejects to file app/code/core/Mage/Sales/Model/Quote/Item.php.rej

    patching file lib/Varien/File/Uploader.php
    Reversed (or previously applied) patch detected!  Assume -R? [n]
    Apply anyway? [n]
    Skipping patch.
    2 out of 2 hunks ignored -- saving rejects to file lib/Varien/File/Uploader.php.rej