svn commit: trunk/busybox/libbb
landley at busybox.net
landley at busybox.net
Wed Dec 21 16:53:59 UTC 2005
Author: landley
Date: 2005-12-21 08:53:57 -0800 (Wed, 21 Dec 2005)
New Revision: 12970
Log:
Trying to losetup a device as a regular user shouldn't result in an endless
loop, and the error messages should display correctly now.
Modified:
trunk/busybox/libbb/loop.c
Changeset:
Modified: trunk/busybox/libbb/loop.c
===================================================================
--- trunk/busybox/libbb/loop.c 2005-12-21 16:33:41 UTC (rev 12969)
+++ trunk/busybox/libbb/loop.c 2005-12-21 16:53:57 UTC (rev 12970)
@@ -89,7 +89,7 @@
char dev[20], *try;
bb_loop_info loopinfo;
struct stat statbuf;
- int i, dfd, ffd, mode, rc=1;
+ int i, dfd, ffd, mode, rc=-1;
/* Open the file. Barf if this doesn't work. */
if((ffd = open(file, mode=O_RDWR))<0 && (ffd = open(file,mode=O_RDONLY))<0)
@@ -107,7 +107,7 @@
/* Open the sucker and check its loopiness. */
if((dfd=open(try, mode))<0 && errno==EROFS)
dfd=open(try,mode=O_RDONLY);
- if(dfd<0) continue;
+ if(dfd<0) goto try_again;
rc=ioctl(dfd, BB_LOOP_GET_STATUS, &loopinfo);
@@ -128,6 +128,7 @@
} else if(strcmp(file,loopinfo.lo_file_name)
|| offset!=loopinfo.lo_offset) rc=-1;
close(dfd);
+try_again:
if(*device) break;
}
close(ffd);
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