| commit | fa9ee9c4b9885dfdf8eccac19b8b4fc8a7c53288 | [log] [tgz] |
|---|---|---|
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | Tue Mar 22 16:34:05 2011 -0700 |
| committer | Linus Torvalds <torvalds@linux-foundation.org> | Tue Mar 22 17:44:11 2011 -0700 |
| tree | 7fa3808a38b2d8f161d750156804e643288e4304 | |
| parent | d404ab0a1133e95557bb7deab2a49b348dfeba85 [diff] |
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>