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authorRui Salvaterra <rsalvaterra@gmail.com>2021-04-01 14:36:33 +0100
committerHauke Mehrtens <hauke@hauke-m.de>2021-04-03 18:57:13 +0200
commit565dfeb1280343fb3f838581169e5d7a1c947862 (patch)
tree0c8df2183fd7f24a31dc4db213d5d99a1bce938f /package/system/zram-swap
parent829fa33899911f5e2a1229a6fdea98feb1d09029 (diff)
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zram-swap: bail out early if the kernel doesn't support swap
Since KERNEL_SWAP is only enabled by default for !SMALL_FLASH targets, we need to check if the current kernel supports swap before trying to configure zram-swap, as opkg can't check for kernel dependencies. Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
Diffstat (limited to 'package/system/zram-swap')
-rwxr-xr-xpackage/system/zram-swap/files/zram.init5
1 files changed, 5 insertions, 0 deletions
diff --git a/package/system/zram-swap/files/zram.init b/package/system/zram-swap/files/zram.init
index 685648aae5..d97e85efa5 100755
--- a/package/system/zram-swap/files/zram.init
+++ b/package/system/zram-swap/files/zram.init
@@ -150,6 +150,11 @@ zram_compact()
start()
{
+ [ -e /proc/swaps ] || {
+ logger -s -t zram_start -p daemon.crit "kernel doesn't support swap"
+ return 1
+ }
+
if [ $( grep -cs zram /proc/swaps ) -ne 0 ]; then
logger -s -t zram_start -p daemon.notice "[OK] zram swap is already mounted"
return 1