Messages in this thread Patch in this message |  | | | Date | Fri, 19 Feb 1999 02:28:52 -0500 (EST) | | From | Alexander Viro <> | | Subject | [PATCH] Race in coda_readdir() |
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coda_readdir() calls ->readdir() method of caching object without holding the semaphore on it. Patch below is against 2.2.2-pre5.
--- linux/fs/coda/dir.c Tue Feb 16 11:53:48 1999 +++ linux/fs/coda/dir.c.new Fri Feb 19 02:20:50 1999 @@ -637,7 +637,9 @@ result = coda_venus_readdir(&open_file, dirent, filldir); } else { /* potemkin case: we are handed a directory inode */ + down(&cnp->ovp->i_sem); result = open_file.f_op->readdir(&open_file, dirent, filldir); + up(&cnp->ovp->i_sem); } coda_restore_codafile(inode, file, cnp->c_ovp, &open_file); EXIT; Cheers, Al
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