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mtd: mtd_blkdevs: fix double free on error path

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This one liner patch fixes double free that will occur if add_mtd_blktrans_dev
fails. On failure it frees the input argument, but all its users also free it
on error which is natural thing to do. Thus don't free it.

All credit for finding that bug belongs to reporters of the bug in the android bugzilla
http://code.google.com/p/android/issues/detail?id=13761

Commit message tweaked by Artem.

Signed-off-by: Maxim Levitsky <[email protected]>
Signed-off-by: Artem Bityutskiy <[email protected]>
Signed-off-by: David Woodhouse <[email protected]>
Cc: [email protected]
This commit is contained in:
Maxim Levitsky 2011-01-09 01:25:06 +02:00 • committed by David Woodhouse
commit bd637f6f22
1 changed files with 0 additions and 1 deletions
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1
drivers/mtd/mtd_blkdevs.c
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@ -413,7 +413,6 @@ error3:
error2:
list_del(&new->list);
error1:
kfree(new);
return ret;
}