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| author | Tony Battersby <tonyb@cybernetics.com> | 2015-02-11 11:32:06 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-18 13:31:31 +0100 |
| commit | 44fd4c139cdfaf51e68e47b69407b7d46bea36a8 (patch) | |
| tree | da357108a77ed813f9b14cb8e14c25a34ab3f1b9 | |
| parent | 01e8cc1d796728cf00739404e9135db5d6177083 (diff) | |
| download | lwn-44fd4c139cdfaf51e68e47b69407b7d46bea36a8.tar.gz lwn-44fd4c139cdfaf51e68e47b69407b7d46bea36a8.zip | |
sg: fix read() error reporting
commit 3b524a683af8991b4eab4182b947c65f0ce1421b upstream.
Fix SCSI generic read() incorrectly returning success after detecting an
error.
Signed-off-by: Tony Battersby <tonyb@cybernetics.com>
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/scsi/sg.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index df5e961484e1..eb81c98386b9 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -522,7 +522,7 @@ static ssize_t sg_new_read(Sg_fd * sfp, char __user *buf, size_t count, Sg_request * srp) { sg_io_hdr_t *hp = &srp->header; - int err = 0; + int err = 0, err2; int len; if (count < SZ_SG_IO_HDR) { @@ -551,8 +551,8 @@ sg_new_read(Sg_fd * sfp, char __user *buf, size_t count, Sg_request * srp) goto err_out; } err_out: - err = sg_finish_rem_req(srp); - return (0 == err) ? count : err; + err2 = sg_finish_rem_req(srp); + return err ? : err2 ? : count; } static ssize_t |