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authorColin Ian King <colin.king@canonical.com>2017-11-07 16:45:04 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-12-09 22:01:57 +0100
commit08dd03812e8b1dba97eb00092a8cfbe8a7ebc13c (patch)
tree24178d791daf9937d005ef74ff70df18f820dd7e
parent20c315ebabc5a63b0bb169ddd60455ee0b70633e (diff)
usb: host: fix incorrect updating of offset
commit 1d5a31582ef046d3b233f0da1a68ae26519b2f0a upstream. The variable temp is incorrectly being updated, instead it should be offset otherwise the loop just reads the same capability value and loops forever. Thanks to Alan Stern for pointing out the correct fix to my original fix. Fix also cleans up clang warning: drivers/usb/host/ehci-dbg.c:840:4: warning: Value stored to 'temp' is never read Fixes: d49d43174400 ("USB: misc ehci updates") Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/usb/host/ehci-dbg.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c
index 1a2614aae42c..3ff6468a1f5f 100644
--- a/drivers/usb/host/ehci-dbg.c
+++ b/drivers/usb/host/ehci-dbg.c
@@ -837,7 +837,7 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf)
default: /* unknown */
break;
}
- temp = (cap >> 8) & 0xff;
+ offset = (cap >> 8) & 0xff;
}
}
#endif