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authorWilly Tarreau <w@1wt.eu>2020-04-10 12:19:02 +0200
committerDenis Efremov <efremov@linux.com>2020-05-12 19:34:56 +0300
commit6111a4f9bb189e76cda6a306074c9746ddeef04b (patch)
treebb1f2341943551f9cad590b67ad5940cbbcbc674 /drivers/block/floppy.c
parent05f5e319a1eb017442cd0eec87ad52a62d8c3224 (diff)
downloadlinux-6111a4f9bb189e76cda6a306074c9746ddeef04b.tar.bz2
floppy: make sure to reset all FDCs upon resume()
In floppy_resume() we don't properly reinitialize all FDCs, instead we reinitialize the current FDC once per available FDC because value -1 is passed to user_reset_fdc(). Let's simply save the current drive and properly reinitialize each FDC. Link: https://lore.kernel.org/r/20200410101904.14652-1-w@1wt.eu Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Denis Efremov <efremov@linux.com>
Diffstat (limited to 'drivers/block/floppy.c')
-rw-r--r--drivers/block/floppy.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 8da7921659f1..b102f55dfa5d 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4545,11 +4545,13 @@ static void floppy_device_release(struct device *dev)
static int floppy_resume(struct device *dev)
{
int fdc;
+ int saved_drive;
+ saved_drive = current_drive;
for (fdc = 0; fdc < N_FDC; fdc++)
if (fdc_state[fdc].address != -1)
- user_reset_fdc(-1, FD_RESET_ALWAYS, false);
-
+ user_reset_fdc(REVDRIVE(fdc, 0), FD_RESET_ALWAYS, false);
+ set_fdc(saved_drive);
return 0;
}