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authorJulia Lawall <julia@diku.dk>2009-08-07 21:51:33 +0400
committerChris Mason <chris.mason@oracle.com>2009-08-07 21:51:33 +0400
commit60f2e8f8a07331097a57ec4abcdc680405579377 (patch)
tree6ed3c6c8fc2ad4c824c7d2c942fe7d3ece924dc7 /sound/usb/caiaq
parent4baf8c9201e88546918cbfa61ea8062c38bc1644 (diff)
downloadlinux-60f2e8f8a07331097a57ec4abcdc680405579377.tar.xz
Btrfs: correct error-handling zlib error handling
find_zlib_workspace returns an ERR_PTR value in an error case instead of NULL. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @match exists@ expression x, E; statement S1, S2; @@ x = find_zlib_workspace(...) ... when != x = E ( * if (x == NULL || ...) S1 else S2 | * if (x == NULL && ...) S1 else S2 ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Chris Mason <chris.mason@oracle.com>
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