diff options
Diffstat (limited to 'syscall.c')
| -rw-r--r-- | syscall.c | 17 |
1 files changed, 12 insertions, 5 deletions
@@ -319,14 +319,19 @@ sys_mknod(void) return -1; dp = iget(rootdev, 1); // XXX should parse name - if (dp->type != T_DIR) + if (dp->type != T_DIR) { + iput(dp); return -1; + } + nip = mknod (dp, cp->mem + arg0, (short) arg1, (short) arg2, (short) arg3); + iput(dp); + if (nip == 0) return -1; + iput(nip); - iput(dp); return 0; } @@ -376,7 +381,7 @@ sys_exec(void) if(ip == 0) return -1; - if(readi(ip, &elf, 0, sizeof(elf)) < sizeof(elf)) + if(readi(ip, (char*)&elf, 0, sizeof(elf)) < sizeof(elf)) goto bad; if(elf.magic != ELF_MAGIC) @@ -384,7 +389,8 @@ sys_exec(void) sz = 0; for(i = 0; i < elf.phnum; i++){ - if(readi(ip, &ph, elf.phoff + i * sizeof(ph), sizeof(ph)) != sizeof(ph)) + if(readi(ip, (char*)&ph, elf.phoff + i * sizeof(ph), + sizeof(ph)) != sizeof(ph)) goto bad; if(ph.type != ELF_PROG_LOAD) continue; @@ -450,7 +456,8 @@ sys_exec(void) mem = 0; for(i = 0; i < elf.phnum; i++){ - if(readi(ip, &ph, elf.phoff + i * sizeof(ph), sizeof(ph)) != sizeof(ph)) + if(readi(ip, (char*)&ph, elf.phoff + i * sizeof(ph), + sizeof(ph)) != sizeof(ph)) goto bad2; if(ph.type != ELF_PROG_LOAD) continue; |