ext4: use ERR_PTR() abstraction for ext4_append()
authorTheodore Ts'o <tytso@mit.edu>
Fri, 15 Feb 2013 08:35:57 +0000 (03:35 -0500)
committerTheodore Ts'o <tytso@mit.edu>
Fri, 15 Feb 2013 08:35:57 +0000 (03:35 -0500)
Use ERR_PTR()/IS_ERR() abstraction instead of passing in a separate
pointer to an integer for the error code, as a code cleanup.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

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