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| author | Abhishek Kulkarni <adkulkar@umail.iu.edu> | 2009-08-17 23:38:45 +0200 |
|---|---|---|
| committer | Eric Van Hensbergen <ericvh@gmail.com> | 2009-08-17 23:39:54 +0200 |
| commit | 0aad37ef3deed118d3816e1d1a600eb2ec9dcb87 (patch) | |
| tree | cbcfe9f449f57cd35d0ce262e5287da4f8476f30 /net/9p/error.c | |
| parent | 9p: Add missing cast for the error return value in v9fs_get_inode (diff) | |
| download | linux-0aad37ef3deed118d3816e1d1a600eb2ec9dcb87.tar.xz linux-0aad37ef3deed118d3816e1d1a600eb2ec9dcb87.zip | |
net/9p: insulate the client against an invalid error code sent by a 9p server
A looney tunes server sending an invalid error code (which is !IS_ERR_VALUE)
can result in a client oops. So fix it by adding a check and converting unknown
or invalid error codes to -ESERVERFAULT.
Signed-off-by: Abhishek Kulkarni <adkulkar@umail.iu.edu>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'net/9p/error.c')
| -rw-r--r-- | net/9p/error.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/9p/error.c b/net/9p/error.c index fdebe4314062..52518512a93e 100644 --- a/net/9p/error.c +++ b/net/9p/error.c @@ -239,7 +239,7 @@ int p9_errstr2errno(char *errstr, int len) errstr[len] = 0; printk(KERN_ERR "%s: server reported unknown error %s\n", __func__, errstr); - errno = 1; + errno = ESERVERFAULT; } return -errno; |