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| author | Michael Buesch <mb@bu3sch.de> | 2007-11-02 18:35:02 +0100 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-11-10 04:25:12 -0500 |
| commit | 30c4ae42317666f3aeed658cdb8803c84ac6fe77 (patch) | |
| tree | c1bc8e501b3fb2c41f53dda7dc2a28f6a3dbf81e | |
| parent | 80fda03fc8b5cd09c3e0e90725ef9bcb2a5c7b30 (diff) | |
| download | blackbird-op-linux-30c4ae42317666f3aeed658cdb8803c84ac6fe77.tar.gz blackbird-op-linux-30c4ae42317666f3aeed658cdb8803c84ac6fe77.zip | |
b43: debugfs SHM read buffer overrun fix
Fix possible buffer overrun.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/b43/debugfs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/b43/debugfs.c b/drivers/net/wireless/b43/debugfs.c index 734e70e1a06d..ef0075d9f9cb 100644 --- a/drivers/net/wireless/b43/debugfs.c +++ b/drivers/net/wireless/b43/debugfs.c @@ -128,7 +128,7 @@ static ssize_t shm_read_file(struct b43_wldev *dev, __le16 *le16buf = (__le16 *)buf; for (i = 0; i < 0x1000; i++) { - if (bufsize <= 0) + if (bufsize < sizeof(tmp)) break; tmp = b43_shm_read16(dev, B43_SHM_SHARED, 2 * i); le16buf[i] = cpu_to_le16(tmp); |
