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check return values of chown and chmod

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This commit is contained in:
wbaumann 2010-11-07 11:19:11 +00:00
parent 3a9a59db12
commit fbc8330f54
1 changed files with 11 additions and 6 deletions
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13
src/kernel_interface.c
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@ -177,9 +177,12 @@ init_coda(int *dev, dav_run_msgloop_fn *msg_loop, void **mdata)
*dev = open(path, O_RDWR | O_NONBLOCK); *dev = open(path, O_RDWR | O_NONBLOCK);
if (*dev <= 0) { if (*dev <= 0) {
if (mknod(path, S_IFCHR, makedev(CODA_MAJOR, minor)) == 0) { if (mknod(path, S_IFCHR, makedev(CODA_MAJOR, minor)) == 0) {
chown(path, 0, 0); if (chown(path, 0, 0) == 0
chmod(path, S_IRUSR | S_IWUSR); && chmod(path, S_IRUSR | S_IWUSR) == 0) {
*dev = open(path, O_RDWR | O_NONBLOCK); *dev = open(path, O_RDWR | O_NONBLOCK);
} else {
remove(path);
}
} }
} }
free(path); free(path);
@ -227,9 +230,11 @@ init_fuse(int *dev, dav_run_msgloop_fn *msg_loop, void **mdata,
} }
if (*dev <= 0) { if (*dev <= 0) {
if (mknod(path, S_IFCHR, makedev(FUSE_MAJOR, FUSE_MINOR)) == 0) { if (mknod(path, S_IFCHR, makedev(FUSE_MAJOR, FUSE_MINOR)) == 0) {
chown(path, 0, 0); if (chown(path, 0, 0) == 0 && chmod(path, S_IRUSR | S_IWUSR) == 0) {
chmod(path, S_IRUSR | S_IWUSR);
*dev = open(path, O_RDWR | O_NONBLOCK); *dev = open(path, O_RDWR | O_NONBLOCK);
} else {
remove(path);
}
} }
} }