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find_root_device: use lstat - don't follow links

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Denis Vlasenko 2007-04-21 23:28:03 +00:00
parent 1359da6ac7
commit 706fdc98c3
1 changed files with 2 additions and 1 deletions
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3
libbb/find_root_device.c
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@ -41,7 +41,8 @@ static char *find_block_device_in_dir(struct arena *ap)
while ((entry = readdir(dir)) != NULL) { while ((entry = readdir(dir)) != NULL) {
safe_strncpy(ap->devpath + len, entry->d_name, rem); safe_strncpy(ap->devpath + len, entry->d_name, rem);
if (stat(ap->devpath, &ap->st) != 0) /* lstat: do not follow links */
if (lstat(ap->devpath, &ap->st) != 0)
continue; continue;
if (S_ISBLK(ap->st.st_mode) && ap->st.st_rdev == ap->dev) { if (S_ISBLK(ap->st.st_mode) && ap->st.st_rdev == ap->dev) {
retpath = xstrdup(ap->devpath); retpath = xstrdup(ap->devpath);