From 7b2491911540e4904498622fbee2e1a9e3120d2f Mon Sep 17 00:00:00 2001 From: Robert Jarzmik Date: Tue, 22 Jul 2008 09:39:00 +0200 Subject: [PATCH] [MTD] physmap: Fix suspend/resume/shutdown bugs. MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Don't call suspend/resume functions if they have not been defined. Signed-off-by: Robert Jarzmik Acked-By: Jörn Engel Signed-off-by: Uwe Kleine-König Signed-off-by: David Woodhouse --- drivers/mtd/maps/physmap.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c index 1f6b9066b6..7c8cdf49de 100644 --- a/drivers/mtd/maps/physmap.c +++ b/drivers/mtd/maps/physmap.c @@ -201,7 +201,8 @@ static int physmap_flash_suspend(struct platform_device *dev, pm_message_t state int i; for (i = 0; i < MAX_RESOURCES && info->mtd[i]; i++) - ret |= info->mtd[i]->suspend(info->mtd[i]); + if (info->mtd[i]->suspend) + ret |= info->mtd[i]->suspend(info->mtd[i]); return ret; } @@ -212,7 +213,8 @@ static int physmap_flash_resume(struct platform_device *dev) int i; for (i = 0; i < MAX_RESOURCES && info->mtd[i]; i++) - info->mtd[i]->resume(info->mtd[i]); + if (info->mtd[i]->resume) + info->mtd[i]->resume(info->mtd[i]); return 0; } @@ -223,8 +225,9 @@ static void physmap_flash_shutdown(struct platform_device *dev) int i; for (i = 0; i < MAX_RESOURCES && info->mtd[i]; i++) - if (info->mtd[i]->suspend(info->mtd[i]) == 0) - info->mtd[i]->resume(info->mtd[i]); + if (info->mtd[i]->suspend && info->mtd[i]->resume) + if (info->mtd[i]->suspend(info->mtd[i]) == 0) + info->mtd[i]->resume(info->mtd[i]); } #else #define physmap_flash_suspend NULL -- 2.39.5