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Code Issues Releases Activity

Improve error handling: bail out if one of the files scheduled

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to go to the FS image we are making cannot be read (e.g. EPERM).
Current behaviour when we issue waring but still proceeed and
return success is definitely not correct: masking out error
condition as well as making a slighly inconsistent FS where
attempt to access the file in question ends up in EBADF. See
linked DR for details.

MFC after:	1 month
Differential Revision:	https://reviews.freebsd.org/D18584
This commit is contained in:
Maxim Sobolev 2019-02-25 23:45:36 +00:00
parent f214ea82c3
commit 781e78182d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=344555
1 changed files with 1 additions and 4 deletions
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5
usr.sbin/makefs/ffs.c
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@ -932,8 +932,7 @@ ffs_write_file(union dinode *din, uint32_t ino, void *buf, fsinfo_t *fsopts)
if (isfile) {
fbuf = emalloc(ffs_opts->bsize);
if ((ffd = open((char *)buf, O_RDONLY, 0444)) == -1) {
warn("Can't open `%s' for reading", (char *)buf);
goto leave_ffs_write_file;
err(EXIT_FAILURE, "Can't open `%s' for reading", (char *)buf);
}
} else {
p = buf;
@ -987,8 +986,6 @@ ffs_write_file(union dinode *din, uint32_t ino, void *buf, fsinfo_t *fsopts)
write_inode_and_leave:
ffs_write_inode(&in.i_din, in.i_number, fsopts);
leave_ffs_write_file:
if (fbuf)
free(fbuf);
if (ffd != -1)