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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-03-31 16:16:58 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-03-31 16:16:58 -0700 |
| commit | e8b767f5e04097aaedcd6e06e2270f9fe5282696 (patch) | |
| tree | 1d8ba4a3bf81ea9ca7a0a3506745eccc9d93b058 /arch/um/os-Linux/helper.c | |
| parent | a87a08e3bf2decaed29c4dfde3916676f9b966a8 (diff) | |
| parent | 82017457957a550d7d00dde419435dd74a890887 (diff) | |
| download | linux-e8b767f5e04097aaedcd6e06e2270f9fe5282696.tar.gz linux-e8b767f5e04097aaedcd6e06e2270f9fe5282696.tar.bz2 linux-e8b767f5e04097aaedcd6e06e2270f9fe5282696.zip | |
Merge tag 'for-linus-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull UML updates from Richard Weinberger:
- Devicetree support (for testing)
- Various cleanups and fixes: UBD, port_user, uml_mconsole
- Maintainer update
* tag 'for-linus-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
um: run_helper: Write error message to kernel log on exec failure on host
um: port_user: Improve error handling when port-helper is not found
um: port_user: Allow setting path to port-helper using UML_PORT_HELPER envvar
um: port_user: Search for in.telnetd in PATH
um: clang: Strip out -mno-global-merge from USER_CFLAGS
docs: UML: Mention telnetd for port channel
um: Remove unused timeval_to_ns() function
um: Fix uml_mconsole stop/go
um: Cleanup syscall_handler_t definition/cast, fix warning
uml: net: vector: fix const issue
um: Fix WRITE_ZEROES in the UBD Driver
um: Migrate vector drivers to NAPI
um: Fix order of dtb unflatten/early init
um: fix and optimize xor select template for CONFIG64 and timetravel mode
um: Document dtb command line option
lib/logic_iomem: correct fallback config references
um: Remove duplicated include in syscalls_64.c
MAINTAINERS: Update UserModeLinux entry
Diffstat (limited to 'arch/um/os-Linux/helper.c')
| -rw-r--r-- | arch/um/os-Linux/helper.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/um/os-Linux/helper.c b/arch/um/os-Linux/helper.c index 32e88baf18dd..b459745f52e2 100644 --- a/arch/um/os-Linux/helper.c +++ b/arch/um/os-Linux/helper.c @@ -4,6 +4,7 @@ */ #include <stdlib.h> +#include <string.h> #include <unistd.h> #include <errno.h> #include <sched.h> @@ -99,6 +100,10 @@ int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv) CATCH_EINTR(waitpid(pid, NULL, __WALL)); } + if (ret < 0) + printk(UM_KERN_ERR "run_helper : failed to exec %s on host: %s\n", + argv[0], strerror(-ret)); + out_free2: kfree(data.buf); out_close: |