Message ID | 20191211201830.18911-1-dennis@kernel.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | common/rc: fix device size parser | expand |
On Wed, Dec 11, 2019 at 12:18:30PM -0800, Dennis Zhou wrote: > If you have multiple devices that share the same regex (eg dm-1, dm10), > then _get_device_size() can return "$size\n$size" which causes the > following error for btrfs/011. > > QA output created by 011 > ./common/rc: line 3084: [: too many arguments > > So, fix this by making grep check against eol. > > Signed-off-by: Dennis Zhou <dennis@kernel.org> > --- > common/rc | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/common/rc b/common/rc > index 5cdd829b..b819ede1 100644 > --- a/common/rc > +++ b/common/rc > @@ -3583,7 +3583,7 @@ _get_available_space() > # return device size in kb > _get_device_size() > { > - grep `_short_dev $1` /proc/partitions | awk '{print $3}' > + grep "$(_short_dev $1)\$" /proc/partitions | awk '{print $3}' I changed it to use "grep -w", which seems simpler. Thanks, Eryu > } > > # Make sure we actually have dmesg checking set up. > -- > 2.17.1 >
diff --git a/common/rc b/common/rc index 5cdd829b..b819ede1 100644 --- a/common/rc +++ b/common/rc @@ -3583,7 +3583,7 @@ _get_available_space() # return device size in kb _get_device_size() { - grep `_short_dev $1` /proc/partitions | awk '{print $3}' + grep "$(_short_dev $1)\$" /proc/partitions | awk '{print $3}' } # Make sure we actually have dmesg checking set up.
If you have multiple devices that share the same regex (eg dm-1, dm10), then _get_device_size() can return "$size\n$size" which causes the following error for btrfs/011. QA output created by 011 ./common/rc: line 3084: [: too many arguments So, fix this by making grep check against eol. Signed-off-by: Dennis Zhou <dennis@kernel.org> --- common/rc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)