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| author | Pavel Machek <pavel@ucw.cz> | 2005-07-07 17:56:44 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-07-07 18:23:43 -0700 |
| commit | 47b724f3fe372a3d9acf0bb560fb5c93c9867880 (patch) | |
| tree | bbb6cf40166e0be65cf5589a6b1d46e732df1f47 /kernel | |
| parent | 3efa147ad7608196639882ba4075b376f306fe16 (diff) | |
| download | linux-47b724f3fe372a3d9acf0bb560fb5c93c9867880.tar.gz linux-47b724f3fe372a3d9acf0bb560fb5c93c9867880.tar.bz2 linux-47b724f3fe372a3d9acf0bb560fb5c93c9867880.zip | |
[PATCH] swsusp: fix error handling
Fix error handling and whitespace in swsusp.c. swsusp_free() was called when
there was nothing allocating, leading to oops.
Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/power/swsusp.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c index d82c1f7d0a60..7d7801cd01f0 100644 --- a/kernel/power/swsusp.c +++ b/kernel/power/swsusp.c @@ -869,13 +869,6 @@ extern asmlinkage int swsusp_arch_resume(void); asmlinkage int swsusp_save(void) { - int error = 0; - - if ((error = swsusp_swap_check())) { - printk(KERN_ERR "swsusp: FATAL: cannot find swap device, try " - "swapon -a!\n"); - return error; - } return suspend_prepare_image(); } @@ -892,14 +885,20 @@ int swsusp_suspend(void) * at resume time, and evil weirdness ensues. */ if ((error = device_power_down(PMSG_FREEZE))) { - printk(KERN_ERR "Some devices failed to power down, aborting suspend\n"); local_irq_enable(); - swsusp_free(); return error; } + + if ((error = swsusp_swap_check())) { + printk(KERN_ERR "swsusp: FATAL: cannot find swap device, try " + "swapon -a!\n"); + local_irq_enable(); + return error; + } + save_processor_state(); if ((error = swsusp_arch_suspend())) - swsusp_free(); + printk("Error %d suspending\n", error); /* Restore control flow magically appears here */ restore_processor_state(); BUG_ON (nr_copy_pages_check != nr_copy_pages); @@ -1166,9 +1165,9 @@ static int bio_write_page(pgoff_t page_off, void * page) static const char * sanity_check(void) { dump_info(); - if(swsusp_info.version_code != LINUX_VERSION_CODE) + if (swsusp_info.version_code != LINUX_VERSION_CODE) return "kernel version"; - if(swsusp_info.num_physpages != num_physpages) + if (swsusp_info.num_physpages != num_physpages) return "memory size"; if (strcmp(swsusp_info.uts.sysname,system_utsname.sysname)) return "system type"; |