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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2011-03-22 16:34:05 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-22 17:44:11 -0700
commitfa9ee9c4b9885dfdf8eccac19b8b4fc8a7c53288 (patch)
tree7fa3808a38b2d8f161d750156804e643288e4304 /init
parentmove x86 specific oops=panic to generic code (diff)
downloadlinux-dev-fa9ee9c4b9885dfdf8eccac19b8b4fc8a7c53288.tar.xz
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include/linux/err.h: add a function to cast error-pointers to a return value
PTR_RET() can be used if you have an error-pointer and are only interested in the eventual error value, but not the pointer. Yields the usual 0 for no error, -ESOMETHING otherwise. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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