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author | root <root@artemis.panaceas.org> | 2015-12-25 15:00:15 +0000 |
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committer | root <root@artemis.panaceas.org> | 2015-12-25 15:00:15 +0000 |
commit | ddd86436f4e3643c04b797f858dab95d5f2e4de9 (patch) | |
tree | bfe7a780cf9a2f4fc33aec32c82e625e79dece1f /backport-include/linux/err.h | |
download | backports-3.10.19-1-ddd86436f4e3643c04b797f858dab95d5f2e4de9.tar.gz backports-3.10.19-1-ddd86436f4e3643c04b797f858dab95d5f2e4de9.tar.bz2 backports-3.10.19-1-ddd86436f4e3643c04b797f858dab95d5f2e4de9.zip |
Diffstat (limited to 'backport-include/linux/err.h')
-rw-r--r-- | backport-include/linux/err.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/backport-include/linux/err.h b/backport-include/linux/err.h new file mode 100644 index 0000000..f62e3bf --- /dev/null +++ b/backport-include/linux/err.h @@ -0,0 +1,26 @@ +#ifndef __BACKPORT_LINUX_ERR_H +#define __BACKPORT_LINUX_ERR_H +#include_next <linux/err.h> +#include <linux/version.h> + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39) +static inline int __must_check PTR_RET(const void *ptr) +{ + if (IS_ERR(ptr)) + return PTR_ERR(ptr); + else + return 0; +} +#endif + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33) +/* mask IS_ERR_OR_NULL as debian squeeze also backports this */ +#define IS_ERR_OR_NULL LINUX_BACKPORT(IS_ERR_OR_NULL) + +static inline long __must_check IS_ERR_OR_NULL(const void *ptr) +{ + return !ptr || IS_ERR_VALUE((unsigned long)ptr); +} +#endif + +#endif /* __BACKPORT_LINUX_ERR_H */ |