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misc: apanic: erase kpanic when no data

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erase kpanic partition when there is no data(console and thread)

Signed-off-by: Tom Zhu <a2289c@android-hal-04.(none)>
Signed-off-by: San Mehat <san@google.com>
This commit is contained in:
Tom Zhu
2009-09-24 10:58:50 -05:00
committed by Colin Cross
parent d2e9d64b77
commit 310cd14451
1 changed files with 6 additions and 0 deletions
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6
drivers/misc/apanic.c
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@@ -297,6 +297,7 @@ static void mtd_panic_notify_add(struct mtd_info *mtd)
struct panic_header *hdr = ctx->bounce;
size_t len;
int rc;
int proc_entry_created = 0;
if (strcmp(mtd->name, CONFIG_APANIC_PLABEL))
return;
@@ -358,6 +359,7 @@ static void mtd_panic_notify_add(struct mtd_info *mtd)
ctx->apanic_console->write_proc = apanic_proc_write;
ctx->apanic_console->size = hdr->console_length;
ctx->apanic_console->data = (void *) 1;
proc_entry_created = 1;
}
}
@@ -372,9 +374,13 @@ static void mtd_panic_notify_add(struct mtd_info *mtd)
ctx->apanic_threads->write_proc = apanic_proc_write;
ctx->apanic_threads->size = hdr->threads_length;
ctx->apanic_threads->data = (void *) 2;
proc_entry_created = 1;
}
}
if (!proc_entry_created)
mtd_panic_erase();
return;
out_err:
ctx->mtd = NULL;