diff options
| author | Krzysztof Mazur <krzysiek@podlesie.net> | 2017-11-15 13:12:39 +0300 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2018-02-19 21:38:51 +0300 |
| commit | 4d1a535b8ec5e74b42dfd9dc809142653b2597f6 (patch) | |
| tree | 3b1544a45f63cc909a07952b722deb589ada4622 | |
| parent | 288fb3d5683f5089fa1ba9258e4351170c1f0401 (diff) | |
| download | linux-4d1a535b8ec5e74b42dfd9dc809142653b2597f6.tar.xz | |
um: Use POSIX ucontext_t instead of struct ucontext
glibc 2.26 removed the 'struct ucontext' to "improve" POSIX compliance
and break programs, including User Mode Linux. Fix User Mode Linux
by using POSIX ucontext_t.
This fixes:
arch/um/os-Linux/signal.c: In function 'hard_handler':
arch/um/os-Linux/signal.c:163:22: error: dereferencing pointer to incomplete type 'struct ucontext'
mcontext_t *mc = &uc->uc_mcontext;
arch/x86/um/stub_segv.c: In function 'stub_segv_handler':
arch/x86/um/stub_segv.c:16:13: error: dereferencing pointer to incomplete type 'struct ucontext'
&uc->uc_mcontext);
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Mazur <krzysiek@podlesie.net>
Signed-off-by: Richard Weinberger <richard@nod.at>
| -rw-r--r-- | arch/um/os-Linux/signal.c | 2 | ||||
| -rw-r--r-- | arch/x86/um/stub_segv.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c index a86d7cc2c2d8..a5c0c909c48b 100644 --- a/arch/um/os-Linux/signal.c +++ b/arch/um/os-Linux/signal.c @@ -159,7 +159,7 @@ static void (*handlers[_NSIG])(int sig, struct siginfo *si, mcontext_t *mc) = { static void hard_handler(int sig, siginfo_t *si, void *p) { - struct ucontext *uc = p; + ucontext_t *uc = p; mcontext_t *mc = &uc->uc_mcontext; unsigned long pending = 1UL << sig; diff --git a/arch/x86/um/stub_segv.c b/arch/x86/um/stub_segv.c index 1518d2805ae8..fd6825537b97 100644 --- a/arch/x86/um/stub_segv.c +++ b/arch/x86/um/stub_segv.c @@ -10,7 +10,7 @@ void __attribute__ ((__section__ (".__syscall_stub"))) stub_segv_handler(int sig, siginfo_t *info, void *p) { - struct ucontext *uc = p; + ucontext_t *uc = p; GET_FAULTINFO_FROM_MC(*((struct faultinfo *) STUB_DATA), &uc->uc_mcontext); |