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um: vector: Fix a memory allocation check

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Checking the result of the previous 'kstrdup()' call is expected here, so
we should test 'params' and not 'str' (which is known to be non-NULL at
this point)

Fixes: ad1f62ab2bd4 ("High Performance UML Vector Network Driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Christophe JAILLET 2018-01-27 11:53:57 +01:00 committed by Richard Weinberger
parent 9f3199bcef
commit be967f7da5
1 changed files with 1 additions and 1 deletions
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arch/um/drivers/vector_kern.c
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@ -723,7 +723,7 @@ static int vector_config(char *str, char **error_out)
*/ */
params = kstrdup(params, GFP_KERNEL); params = kstrdup(params, GFP_KERNEL);
if (str == NULL) { if (params == NULL) {
*error_out = "vector_config failed to strdup string"; *error_out = "vector_config failed to strdup string";
return -ENOMEM; return -ENOMEM;
} }