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| author | Florian Weimer <fweimer@redhat.com> | 2022-08-22 11:04:47 +0200 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2022-08-22 11:05:42 +0200 |
| commit | e7ad26ee3cb74e61d0637c888f24dd478d77af58 (patch) | |
| tree | 7abb7d15d2f92f6dd3dd545bb6850fce3ab5c13f | |
| parent | f7b0fc5cc61301461e3c1a278240ce78701bb9a8 (diff) | |
| download | glibc-e7ad26ee3cb74e61d0637c888f24dd478d77af58.zip glibc-e7ad26ee3cb74e61d0637c888f24dd478d77af58.tar.gz glibc-e7ad26ee3cb74e61d0637c888f24dd478d77af58.tar.bz2 | |
alpha: Fix generic brk system call emulation in __brk_call (bug 29490)
The kernel special-cases the zero argument for alpha brk, and we can
use that to restore the generic Linux error handling behavior.
Fixes commit b57ab258c1140bc45464b4b9908713e3e0ee35aa ("Linux:
Introduce __brk_call for invoking the brk system call").
| -rw-r--r-- | sysdeps/unix/sysv/linux/alpha/brk_call.h | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/brk_call.h b/sysdeps/unix/sysv/linux/alpha/brk_call.h index b8088cf..0b851b6 100644 --- a/sysdeps/unix/sysv/linux/alpha/brk_call.h +++ b/sysdeps/unix/sysv/linux/alpha/brk_call.h @@ -21,8 +21,7 @@ __brk_call (void *addr) { unsigned long int result = INTERNAL_SYSCALL_CALL (brk, addr); if (result == -ENOMEM) - /* Mimic the default error reporting behavior. */ - return addr; - else - return (void *) result; + /* Mimic the generic error reporting behavior. */ + result = INTERNAL_SYSCALL_CALL (brk, 0); + return (void *) result; } |