diff options
| -rw-r--r-- | libpagemap/pm_kernel.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/libpagemap/pm_kernel.c b/libpagemap/pm_kernel.c index b9e4e698..760f7347 100644 --- a/libpagemap/pm_kernel.c +++ b/libpagemap/pm_kernel.c @@ -34,18 +34,18 @@ int pm_kernel_create(pm_kernel_t **ker_out) { ker = calloc(1, sizeof(*ker)); if (!ker) - return errno; + return -errno; ker->kpagecount_fd = open("/proc/kpagecount", O_RDONLY); if (ker->kpagecount_fd < 0) { - error = errno; + error = -errno; free(ker); return error; } ker->kpageflags_fd = open("/proc/kpageflags", O_RDONLY); if (ker->kpageflags_fd < 0) { - error = errno; + error = -errno; close(ker->kpagecount_fd); free(ker); return error; @@ -68,12 +68,12 @@ int pm_kernel_pids(pm_kernel_t *ker, pid_t **pids_out, size_t *len) { proc = opendir("/proc"); if (!proc) - return errno; + return -errno; pids = malloc(INIT_PIDS * sizeof(pid_t)); if (!pids) { closedir(proc); - return errno; + return -errno; } pids_count = 0; pids_size = INIT_PIDS; @@ -84,7 +84,7 @@ int pm_kernel_pids(pm_kernel_t *ker, pid_t **pids_out, size_t *len) { if (pids_count >= pids_size) { new_pids = realloc(pids, 2 * pids_size * sizeof(pid_t)); if (!new_pids) { - error = errno; + error = -errno; free(pids); closedir(proc); return error; @@ -102,7 +102,7 @@ int pm_kernel_pids(pm_kernel_t *ker, pid_t **pids_out, size_t *len) { new_pids = realloc(pids, pids_count * sizeof(pid_t)); if (!new_pids) { - error = errno; + error = -errno; free(pids); return error; } @@ -121,10 +121,10 @@ int pm_kernel_count(pm_kernel_t *ker, uint64_t pfn, uint64_t *count_out) { off = lseek64(ker->kpagecount_fd, pfn * sizeof(uint64_t), SEEK_SET); if (off == (off_t)-1) - return errno; + return -errno; if (read(ker->kpagecount_fd, count_out, sizeof(uint64_t)) < (ssize_t)sizeof(uint64_t)) - return errno; + return -errno; return 0; } @@ -137,10 +137,10 @@ int pm_kernel_flags(pm_kernel_t *ker, uint64_t pfn, uint64_t *flags_out) { off = lseek64(ker->kpageflags_fd, pfn * sizeof(uint64_t), SEEK_SET); if (off == (off_t)-1) - return errno; + return -errno; if (read(ker->kpageflags_fd, flags_out, sizeof(uint64_t)) < (ssize_t)sizeof(uint64_t)) - return errno; + return -errno; return 0; } |