mir/criu
2
0
Fork 0
mirror of https://github.com/checkpoint-restore/criu synced 2025-08-30 13:58:34 +00:00
Code Issues Releases Wiki Activity

criu: make sure to use pr_perror to show errno

Browse Source 
In cases where we need to print errno, it is better to use pr_perror.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
This commit is contained in:
Kir Kolyshkin 2021-04-22 17:43:47 -07:00 committed by Andrei Vagin
parent 10c619adb9
commit 7ea20e8f5a
6 changed files with 11 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
criu/arch/x86/kerndat.c
View File

@ -110,7 +110,7 @@ static void mmap_bug_test(void)
}
if (munmap(map1, PAGE_SIZE)) {
pr_err("Failed to unmap() 32-bit mapping: %m\n");
pr_perror("Failed to unmap() 32-bit mapping");
exit(1);
}

2
criu/cgroup.c
View File

@ -311,7 +311,7 @@ static int read_cgroup_prop(struct cgroup_prop *property, const char *fullpath)
ret = read(fd, buf, sizeof(buf) - 1);
if (ret == -1) {
pr_err("Failed scanning %s\n", fullpath);
pr_perror("Failed scanning %s", fullpath);
close(fd);
return -1;
}

12
criu/cr-check.c
View File

@ -190,7 +190,7 @@ static int check_prctl_cat1(void)
ret = prctl(PR_GET_TID_ADDRESS, (unsigned long)&tid_addr, 0, 0, 0);
if (ret < 0) {
pr_msg("prctl: PR_GET_TID_ADDRESS is not supported: %m");
pr_perror("prctl: PR_GET_TID_ADDRESS is not supported");
return -1;
}
@ -206,19 +206,19 @@ static int check_prctl_cat1(void)
if (errno == EPERM)
pr_msg("prctl: One needs CAP_SYS_RESOURCE capability to perform testing\n");
else
pr_msg("prctl: PR_SET_MM_BRK is not supported: %m\n");
pr_perror("prctl: PR_SET_MM_BRK is not supported");
return -1;
}
ret = prctl(PR_SET_MM, PR_SET_MM_EXE_FILE, -1, 0, 0);
if (ret < 0 && errno != EBADF) {
pr_msg("prctl: PR_SET_MM_EXE_FILE is not supported: %m\n");
pr_perror("prctl: PR_SET_MM_EXE_FILE is not supported");
return -1;
}
ret = prctl(PR_SET_MM, PR_SET_MM_AUXV, (long)&user_auxv, sizeof(user_auxv), 0);
if (ret < 0) {
pr_msg("prctl: PR_SET_MM_AUXV is not supported: %m\n");
pr_perror("prctl: PR_SET_MM_AUXV is not supported");
return -1;
}
}
@ -908,7 +908,7 @@ static int check_aio_remap(void)
int r;
if (syscall(SYS_io_setup, 16, &ctx) < 0) {
pr_err("No AIO syscall: %m\n");
pr_perror("No AIO syscall");
return -1;
}
@ -930,7 +930,7 @@ static int check_aio_remap(void)
ctx = (aio_context_t)naddr;
r = syscall(SYS_io_getevents, ctx, 0, 1, NULL, NULL);
if (r < 0) {
pr_err("AIO remap doesn't work properly: %m\n");
pr_perror("AIO remap doesn't work properly");
return -1;
}

2
criu/cr-restore.c
View File

@ -3614,7 +3614,7 @@ static int sigreturn_restore(pid_t pid, struct task_restore_args *task_args, uns
/* VMA we need for stacks and sigframes for threads */
if (mmap(mem, memzone_size, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, 0, 0) != mem) {
pr_err("Can't mmap section for restore code\n");
pr_perror("Can't mmap section for restore code");
goto err;
}

2
criu/kerndat.c
View File

@ -417,7 +417,7 @@ static bool kerndat_has_memfd_create(void)
else if (ret == -1 && errno == EFAULT)
kdat.has_memfd = true;
else {
pr_err("Unexpected error from memfd_create(NULL, 0): %m\n");
pr_perror("Unexpected error from memfd_create(NULL, 0)");
return -1;
}

2
criu/shmem.c
View File

@ -591,7 +591,7 @@ static int open_shmem(int pid, struct vma_area *vma)
*/
addr = mmap(NULL, si->size, PROT_WRITE | PROT_READ, flags, f, 0);
if (addr == MAP_FAILED) {
pr_err("Can't mmap shmid=0x%"PRIx64" size=%ld\n",
pr_perror("Can't mmap shmid=0x%"PRIx64" size=%ld",
vi->shmid, si->size);
goto err;
}