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| author | Jan Luebbe <jlu@pengutronix.de> | 2013-05-02 16:47:12 +0200 |
|---|---|---|
| committer | Lucas De Marchi <lucas.de.marchi@gmail.com> | 2013-05-11 00:54:15 -0300 |
| commit | 5eac795b8b067842caec32f96d55a7554c3c67f9 (patch) | |
| tree | 46679ea83400120d8dae8390d5b245177b33ee75 | |
| parent | 03f7dfb868b33ee73f2b1e36ab4a1bfa440dcd2c (diff) | |
| download | kmod-5eac795b8b067842caec32f96d55a7554c3c67f9.tar.gz | |
libkmod: Avoid calling syscall() with -1
At least in qemu 1.4.1 for vexpress/arm-cortexa9, this resulted in an
illegal instruction error. Solve that by returning an error when
__NR_finit_module is -1.
| -rw-r--r-- | libkmod/missing.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libkmod/missing.h b/libkmod/missing.h index edb88b9..b45bbe2 100644 --- a/libkmod/missing.h +++ b/libkmod/missing.h @@ -20,8 +20,15 @@ #endif #ifndef HAVE_FINIT_MODULE +#include <errno.h> + static inline int finit_module(int fd, const char *uargs, int flags) { + if (__NR_finit_module == -1) { + errno = ENOSYS; + return -1; + } + return syscall(__NR_finit_module, fd, uargs, flags); } #endif |