diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2011-03-22 19:34:05 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-22 20:44:11 -0400 |
| commit | fa9ee9c4b9885dfdf8eccac19b8b4fc8a7c53288 (patch) | |
| tree | 7fa3808a38b2d8f161d750156804e643288e4304 /kernel | |
| 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>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions