Using more simple bash command to clean up the run script.
No functional change intended.
Signed-off-by: Shaoqin Huang <shahuang@xxxxxxxxxx>
---
arm/run | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arm/run b/arm/run
index b918029..c6f25b8 100755
--- a/arm/run
+++ b/arm/run
@@ -28,7 +28,7 @@ fi
ACCEL=$accel
-if ! $qemu -machine '?' 2>&1 | grep 'ARM Virtual Machine' > /dev/null; then
+if ! $qemu -machine '?' | grep -q 'ARM Virtual Machine'; then
echo "$qemu doesn't support mach-virt ('-machine virt'). Exiting."
exit 2
fi
@@ -36,7 +36,7 @@ fi
M='-machine virt'
if [ "$ACCEL" = "kvm" ]; then
- if $qemu $M,\? 2>&1 | grep gic-version > /dev/null; then
+ if $qemu $M,\? | grep -q gic-version; then
M+=',gic-version=host'
fi
fi
@@ -54,7 +54,7 @@ if [ "$ARCH" = "arm" ]; then
M+=",highmem=off"
fi
-if ! $qemu $M -device '?' 2>&1 | grep virtconsole > /dev/null; then
+if ! $qemu $M -device '?' | grep -q virtconsole; then
echo "$qemu doesn't support virtio-console for chr-testdev. Exiting."
exit 2
fi
@@ -68,7 +68,7 @@ chr_testdev='-device virtio-serial-device'
chr_testdev+=' -device virtconsole,chardev=ctd -chardev testdev,id=ctd'
pci_testdev=
-if $qemu $M -device '?' 2>&1 | grep pci-testdev > /dev/null; then
+if $qemu $M -device '?' | grep -q pci-testdev; then
pci_testdev="-device pci-testdev"
fi
--
2.39.1
