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avoid fd leak if opendir is cancelled when calloc has failed

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This commit is contained in:
Rich Felker 2011-04-18 21:22:14 -04:00
commit 75a0be1f65
1 changed files with 2 additions and 1 deletions
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3
src/dirent/opendir.c
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@ -7,6 +7,7 @@
#include <unistd.h> #include <unistd.h>
#include <limits.h> #include <limits.h>
#include "__dirent.h" #include "__dirent.h"
#include "syscall.h"
DIR *opendir(const char *name) DIR *opendir(const char *name)
{ {
@ -17,7 +18,7 @@ DIR *opendir(const char *name)
return 0; return 0;
fcntl(fd, F_SETFD, FD_CLOEXEC); fcntl(fd, F_SETFD, FD_CLOEXEC);
if (!(dir = calloc(1, sizeof *dir))) { if (!(dir = calloc(1, sizeof *dir))) {
close(fd); __syscall(SYS_close, fd);
return 0; return 0;
} }
dir->fd = fd; dir->fd = fd;