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| author | Lucas De Marchi <lucas.de.marchi@gmail.com> | 2013-05-02 13:22:57 -0300 |
|---|---|---|
| committer | Lucas De Marchi <lucas.de.marchi@gmail.com> | 2013-05-02 17:02:52 -0300 |
| commit | 38829712e5c411bc250aeae142fc6bf06e794d58 (patch) | |
| tree | cf3f234bd4b6a780ca119270847ebac1c7a930a6 | |
| parent | 1114e781ad9df2972efd5e8f49f525214f119e7b (diff) | |
| download | kmod-38829712e5c411bc250aeae142fc6bf06e794d58.tar.gz | |
missing: Don't call syscall() with syscallno == -1
Reported-by: Jean-Francis Roy <jeanfrancis@funtoo.org>
Reported-by: Jan Luebbe <jlu@pengutronix.de>
| -rw-r--r-- | libkmod/missing.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/libkmod/missing.h b/libkmod/missing.h index edb88b9..b31af84 100644 --- a/libkmod/missing.h +++ b/libkmod/missing.h @@ -1,5 +1,6 @@ #pragma once +#include <errno.h> #include <unistd.h> #include <sys/syscall.h> @@ -15,13 +16,14 @@ # define MODULE_INIT_IGNORE_VERMAGIC 2 #endif -#ifndef __NR_finit_module -# define __NR_finit_module -1 -#endif - #ifndef HAVE_FINIT_MODULE static inline int finit_module(int fd, const char *uargs, int flags) { +#ifndef __NR_finit_module + errno = ENOSYS; + return -1; +#else return syscall(__NR_finit_module, fd, uargs, flags); +#endif } #endif |